Simplify the expression. Assume all variables represent positive real numbers.7 + 8

A. 56
B. 15
C. 15
D. 75


Answer: C

Mathematics

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Identify the greatest common factor.x2 + 4x

A. x B. 4x C. x2 D. No common factor

Mathematics

Write in logarithmic form.e2 = 7.389

A. e = log2 7.389 B. 2 = loge 7.389 C. 7.389 = loge 2 D. 7.389 = log2 e

Mathematics

Simplify the expression.(-2)3

A. Exponent: 3, base: 6 B. Exponent: -2, base: 3 C. Exponent: 3, base: 2 D. Exponent: 3, base: -2

Mathematics

Graph.On a coordinate plane, graph the function f and the function f-1. Then graph a dashed line for the equation y = x.f(x) = log4 x, f-1(x) = 4x

A.

B.

C.

D.

Mathematics