Sat Math Function Quiz Worksheet With Answer Key
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1
2
3SAT Math Function Quiz
1. If f (x) = 2x 5, then what is the value
1
of f (2) + f (5) ?
z(q) = 4q +
2
6. The zoomster function z used in space
(A) 1
flight engineering is defined above. If,
(B) 2
for some number u, z(u + 1/2) = 1/2,
(C) 3
then what is the value of u ?
(D) 4
(E)
5
(A)
3/2
(B)
1/2
2. If h(x) = 3x + 5 and h(a) = 27, then
(C)
1/8
(D)
1/8
what is the value of a ?
(E)
1/2
♥
7. For any positive integer n, let n
be
3. Let f (x) = 4x
3. If f (a) = 9 and
♥
defined by n
= 2n(n + 1). What is the
f (b) = 5, then what is f (a + b) ?
♥
8
value of
?
♥
2
(A)
5
(B)
7
♥
(A)
2
(C) 14
♥
(B)
4
(D) 16
♥
(C)
6
(E)
17
♥
(D)
8
♥
(E)
10
2
4. If f (x) = x
1, and f (2a) = 35, then
what could be the value of a ?
y
(A)
6
2
(B)
3
(C)
1
f (x)
1
(D)
2
(E)
6
x
2
1
1
2
5. If f (x) = 2x + 4, then what is the value
of f (4) + f (6) ?
8. For the function f graphed in the xy-
plane above, if f ( 2.5) = k, then what
is f (2k) ?
(A) f (8)
(B) f (10)
(C) f (12)
(D) f (18)
(E)
f (28)
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