Question

Which is f(5) for the function –2x^2 + 2x – 3?

Answer 1

Answer:

Given, f(x) is 2x^2 + 2x -3...

So, f(5) is 2(5)^2 + 2*5 - 3

= 2*25 + 10 -3

= 57....

=17

Answer 2

The value of function is $f(5)=-43$.

Step-by-step explanation:

Given : Function $f(x)=-2x^2+2x-3$

To find : Which is f(5) for the function ?

Solution :

Function $f(x)=-2x^2+2x-3$

Put the value of x=5,

$f(5)=-2(5)^2+2(5)-3$

$f(5)=-2\times 25+10-3$

$f(5)=-50+7$

$f(5)=-43$

Therefore, the value of function is $f(5)=-43$.

#Learn more

Consider the function: f(x)=2x^2+5x+5

Find the value of f(a).

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