Question

Given the function f(x)=7x+3 , evaluate and simplify the expressions below. See special instructions on how to enter your answers.

Answer 1

9514 1404 393

Answer:

• 7a+3
• 7a+7h+3
• 7

Explanation:

Put the argument where the variable is and simplify.

a)

`f(a)=7a+3`

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b)

`f(a+h)=7(a+h)+3=\boxed{7a+7h+3}`

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c)

`(f(a+h)-f(a))/(h)=((7a+7h+3)-(7a+3))/(h)=(7h)/(h)\\\\=\boxed{7}`