Algebra I (Common Core) Practice Exam Worksheet With Scoring Key And Rating Guide - Mike Miller Page 11
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40Use this space for
19 A function, m(x), is defined by the equation
computations.
"
2x
if
0 ≤ x ≤ 6
m(x) =
#
x − 4
if
6 < x ≤ 10
$
The graph of another function, p(x), is shown below.
The following statements about m(x) and p(x) are true except
(1) Both functions have the same domain.
(2) Both functions have a maximum value of 6.
(3) Both functions are increasing on the interval 8 ≤ x ≤ 10.
(4) Both functions have one x-intercept.
20 If f(x) = –x + 5 and g(x) = x
, what is the solution set of the
2
equation f(x) = g(x), rounded to the nearest tenth?
(1) {1.8, –2.8}
(3) {(1.8, 3.2), (–2.8, 7.8)}
(2) {1.8}
(4) {(1.8, 3.2)}
Algebra I – Practice Exam
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