Exam (elaborations)
SAT math review #1
Exam of 8 pages for the course ISC2 CC at ISC2 CC (SAT math review #1)
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SAT math review #1Kathy is a repair technician for a phone company. Each week, she receives a batch of
phones that need repairs. The number of phones that she has left to fix at the end of
each day can be estimated with the equation P = 108 − 23d, where P is the number of
phones left and d is the number of days she has worked that week. What is the
meaning of the
value 108 in this equation
A)Kathy will complete the repairs within 108 days
B)Kathy starts each week with 108 phones to fix
C)Kathy repairs phones at a rate of 108 per hour
D)Kathy repairs phones at a rate of 108 per day
The formula above gives the monthly payment m needed to pay off a loan of P dollars
at r percent annual interest over N months. Which of the following gives P in terms of m,
r, and N? (flip for formula)
g(x) = ax2 + 24
For the function g defined above, a is a constant
and g(4) = 8. What is the value of g(−4)
A) 8
B) 0
C) −1
D) −8
, b = 2.35 + 0.25x
c = 1.75 + 0.40x
In the equations above, b and c represent the price per pound, in dollars, of beef and
chicken, respectively, x weeks after July 1 during last summer. What was the price per
pound of beef when it was equal to the price per pound of chicken
A) $2.60
B) $2.85
C) $2.95
D) $3.35
If x > 3, which of the following is equivalent to / X+2 + 1 / X+3
A)2x+5 / x^2+5x+6
B)x^2+5x+x+5
C)2x+5
D)x^2+5x+6
If 3x−y=12, what is the value of 8^x / 2^y
A) 212
B) 44
C) 82
D) The value cannot be determined from the information given.
If (ax+2)(bx+7) = 15x2+cx+14 for all values of x, and a+b=8, what are the two possible
values for c
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