beartKeyReedau
Answered

If s(x) = x – 7 and t(x) = 4x2 – x + 3, which expression is equivalent to (t*s)(x) ?

A4(x – 7)2 – x – 7 + 3

B4(x – 7)2 – (x – 7) + 3

C(4x2 – x + 3) – 7

D(4x2 – x + 3)(x – 7)

Verified Answer :

caylus

Hello,

(ts)(x)=t(x)s(x)=(4x²-x+3)*(x-7)

Answer D

meerkat18

The expression (ts)(x) may also be written as t(x)s(x) which means that the functions are just multiply to each other. From the given,
                           t(x)*s(x) = (4x² - x + 3)(x - 7)
Thus, the answer for this item is letter D.

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