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If f(x) = 8x2-5, what is f(-1)

If f(x) = 8x2-5, what is f(-1)-example-1

2 Answers

3 votes

Explanation:

Remember math is a language

f(x) : A function of x where x can be any number including a number you choose

when you see f(-1), this tells you what the function is at this given x value. So you substitute - 1 wherever you see x

8(-1)2 - 5

User Owner
by
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4 votes

Answer:3

Explanation:

Simply plug in -1 for anywhere you see x in the equation so...

8(-1)^2-5

8(1)-5

8-5

3

Hope this helps

User Vibin
by
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