F(x)=-2t^2+1 for f(-3)

Answer 1

Hi!

When you see something like f(-3), that means your input

value is -3.

So you just need to replace (-3) wherever you see a t and then simplify.

f(t) = -2t² + 1

f(-3) = -2(-3)² +1

f(-3) = -2(9) + 1

f(-3) = -18 +1

f(-3) = ?

I will let you finish simplifying.

I hope this helps! Have a great great day!

Mrs. S

Answer 2

f(-3)=-2(-3)^2+1 = -2(9)+1 = -18+1 = -17

substitute the value -3 for the independent variable, then use PEMDAS for order of operations.