SAT Subject Test Mathematics Level 2

Sphere: If  r   =   radius, then

and Surface Area    =   4πr^2.

Pyramid: If B   =   area    of  the base    and h   =   height, then

1 . If x^3 = 7^5 , what is the value of x?

(A) 3.2

(B) 11.6

(C) 25.6

(D) 243.0

(E) 26,041.6

2 . If , which of the following equals 5?

(A) 4 ∆ 3 ∆ 2

(B) 5 ∆ 2 ∆ 5

(C) 6 ∆ 4 ∆ 2

(D) 8 ∆ 4 ∆ 2

(E) 10 ∆ 2 ∆ 4

3 . If f(x) = ex and , then g(ƒ(2)) =