Duplicate of SAT Prep Math questions

Question 1

f(x) = 2x2 + x – 3 and g(y) = 2y – 7. What is f(g(4))?

Accepted Answer

0

Question 2

A racecar driver has completed 12 1/2 laps of a 50 lap race. What fractional part of the race remains?

Accepted Answer

3/4

Question 3

If f(x) = |(x2 – 175)|, what is the value of f(–10) ?

Accepted Answer

75

Question 4

For all positive integers, let k* be defined by k* = (k-1)(k+2) . Which of the following is equal to 3*+4*?

Accepted Answer

5*

Question 5

If 2 ≤ |t+1|, which number can it not be?

Accepted Answer

-2

Question 6

If f(x) = x² – 2 and g(x) = 3x + 5, what is f(g(x))?

Accepted Answer

x² + 30x + 23

Question 7

The function f, where f(x) = x2 + 6x + 8, is related to function g, where g(x) = 5 f(x-2). What is g(3)?

Accepted Answer

75

Question 8

Given h(x) = 3x2 – 7. Which of the following values has the highest value?

Accepted Answer

h(-4)

Question 9

Evaluate f(g(6)) given that f(x) = x2 – 6 and g(x) = –(1/2)x – 5

Accepted Answer

58

Question 10

hich of the following fractions is between 0.2 and 0.3?

Accepted Answer

1/4

Question 11

If f(x) = 5x – 10, then what is the value of 5(f(10)) – 10?

Accepted Answer

190

Question 12

hich of the following fractions is between 0.2 and 0.3?

Accepted Answer

14

Question 13

If n and p are positive and 100n3p-1 = 25n, what is n-2 in terms of p ?

Accepted Answer

4p–1

Question 14

If f(x) = (x + 4)/(x – 4) for all integers except x = 4, which of the following has the lowest value?

Accepted Answer

f(1)

Question 15

Eddie is 7 years older than Brian. If Brian is x years old, then how old was Eddie 11 years ago?

Accepted Answer

x-4

Questions 15