9a-36. Multiply the 9 by a, to give you 9a. Then by -4 to give you -36. All together that becomes 9a-36.
Answer:
f(x) = 4(x - 8)
4 (10 -8) = 8
Step-by-step explanation:
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g*f = (2x -6)*(-4x+7) = -8x2 + 14x + 24x - 42 = -8x2 + 38x - 42
<span>Then, (g*f)(1) = -8 (1)2 + 38 (1) - 42 = -12</span>