Apex unit 4 Exam Questions with Correct Answers
The graph shown below expresses a radical function that can be written in the form f(x) = a(x + k)^1/n + c. What does the graph tell you about the value of c in this function - Answer-c is greater than zero
The graph shown below expresses a radic...
Apex unit 4 Exam Questions with Correct Answers The graph shown below expresses a radical function that can be written in the form f(x) = a(x + k)^1/n + c. What does the graph tell you about the value of c in this function - Answer -c is greater than zero The graph shown below expresses a radical function that can be written in the form f(x) = a(x + k)^1/n + c. What does the graph tell you about the value of a in this function - Answer -it is not possible to tell whether a is greater than or less than zero ( wrong answer) a is greater than zero (wrong answer) The graph shown below expresses a radical function that can be written in the form f(x) = a(x + k)^1/n + c. What does the graph tell you about the value of n in this function - Answer -n is a positive even integer Which of the following are true statements? Check all that apply - Answer -The graph of f(x)=−1/2√x will look like the graph of f(x)=√x but will reflect it about the x -axis and shrink it vertically by a factor of 12. The graph of f(x)=−1/2√x has the same domain but a different range as f(x)=√x. (wrong answer) The graph shown below expresses a radical function that can be written in the form f(x) = a(x + k)^1/n + c. What does the graph tell you about the value of k in this function? - Answer -k is greater than zero which of the following would you do if you were to write the expression using an exponent: 3*3*3*3*3*3*3*3*3*3*3*3 - Answer -you would write 3^12 you would use 3 as the base and 12 as the exponent Which of the following could be the graph of f(x)= -a(x+b)^1/3 if both a and b are positive numbers? - Answer -(graph looks like an 2 on left side of graph) The graph shown below expresses a radical function that can be written in the form f(x)=a(x+k)^1/n+c. What does the attached graph tell you about the domain and the range of this function? - Answer -The domain is [ -k,∞) & the range is ( -∞,c] (wrong answer) The domain is ( -∞,∞) & the range is ( -∞,∞) Which of the following could be an example of a function with a range ( -∞,a] and a domain [b, ∞) where a < 0 and b < 0? - Answer -i hate precalc if a^1/n=r then which of the following are true statements - Answer -r^n=a a^r=n (wrong answer) n^1/r=a n√𝒂= 𝒓 (a^(3)b^(12)c^(2))(a^(5)c^(2))(b^(5)c^(4))^(1) - Answer -a^8b^17c^8 81^(1/(2)/3^( -1) - Answer -27 if this is the graph of f(x)=a^(x+h)+k (looks like l above x axis) then - Answer -domain is (h,infinite), range is (k,infinite) (wrong answer) the function f(x) = a^x = 4 will never cross the x -axis true or false? - Answer -true Which functions in the table below give values that could not come from exponential functions? - Answer -h(x), k(x) if this is the graph of f(x)=a^(x+h)+k (looks like l below x axis) then - Answer -h>0, k<0 which one of the following could describe the graph above - Answer -y=(1/2)^(x)+6 If $1,000 is invested in an account that pays 3% interest compounded annually, an expression that represents the amount in the account at the end of two years can be given by which of the following equations - Answer -1000(1.03)^2 if this is the graph of f(x)=a^(x+h)+k (looks like l above x axis) then - Answer -0<a<1 which of the following could be a function with the domain of ( - infinity, infinity) (2, infinity) - Answer -y=3^(x)+2 y=0.25^(x)+2 ball is dropped from a height of 10 feet and returns to a height that is one -half of the height from which it fell. The ball continues to bounce half the height of the previous bounce each time. How far will the ball have traveled when it hits the ground f or the fourth time? - Answer -27.5 What is the sum of the first five terms of a geometric series with a 1=20 and r=1/4 - Answer -26 41/64 The second term in a geometric sequence is 12, the forth term in the same sequence is 4/3. What is the common ratio in this sequence? - Answer -r = 1/3
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