3 years ago

Evaluate f(x)=7x+7 when x=-9

Mathematics

1 answer:

stealth61 [152]3 years ago

7 0

Answer:

-56

Step-by-step explanation:

f(x) = 7x + 7

x = -9

We meed to plug in x = -9 into the first equation:

f(-9) = 7(-9) + 7

We can open up the parentheses:

f(-9) = -63 + 7

And then simplify:

f(-9) = -56

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