SAT Subject Test Mathematics Level 1

(Marvins-Underground-K-12) #1

(E)


14 . What is the value of x: logx125 = 3?


(A) 5
(B) 41.7
(C) 122
(D) 128
(E) 375

15 . Given f(x) = 7x + 5, what is f−1(x), the inverse function?


(A) f−1(x)  =   7x  +   5

(B) f−1(x)  =   5x  +   7

(C)

(D)


(E)


16 . Take 6 less than a number n. If you raise this result to the 5th power, it
is equal to 32. What is the value of n?


(A) 2
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