Twelve times one-half of a number is thirty
six. What is the number? a. 3 b. 6 C. 8 d. 18

(f - g)(x) = 5x^3 - 3

step-by-step explanation:

rearrange these functions vertically, with like terms in separate columns:

f(x) = 5x^3 - 2

g(x) =         +1

now subtract, column by column:

(f - g)(x) = 5x^3 - 3

it is contrapositive

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