Straighterline MAT 101 College Algebra Graded Exam #1 | Questions and
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Question text
Simplify by writing the expression without absolute value bars.
|x + 7| for x ≥ -7
,Select one:
a.
x+7
b.
-x-7
c.
- x +7
d.
x-7
Question 2
Correct
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Question text
Write the statement as an inequality.
The quantity (t + 4) exceeds 31.
Select one:
a.
t + 4 ≥ 31
, b.
t + 4 < 31
c.
t + 4 ≤ 31
d.
t + 4 > 31
Question 3
Correct
Mark 8.75 out of 8.75
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Question text
Solve the problem.
A new diet program guarantees you will lose 1.6 lb per week. A male with a starting
weight of 220 lb is modeled by
W = 220 - 1.6t
where t is the number of weeks after starting the diet.
Use the model to determine the male's weight after 19 weeks.
Select one:
a.
218.4 lb
b.
189.6 lb
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