3 years ago

YOo pls help ! g(a)=2a-1 h(a)=3a-1 find (g•a)(-4)

Mathematics

1 answer:

guajiro [1.7K]3 years ago

6 0

For this, you will be multiplying g(-4) and h(-4) together.

$(g*h)(-4)=(2(-4)-1)(3(-4)-1)$

Firstly, do the multiplications within the parentheses: $(g*h)(-4)=(-8-1)(-12-1)$

Next, do the subtractions: $(g*h)(-4)=(-9)(-13)$

Lastly, multiply -9 and -13, and your answer should be $(g*h)(-4)=117$

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