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Do this the same way you did it before. X=1...put -1 in for x in that problem

(-1)*2+1

or also written it is 2(-1) + 1

f(x) = x^2 + 1
f(-1)= (-1)^2 + 1
= 1 + 1
= ?

Hold on? Is that a square root? Be sure to write that out next time

Well done @Hero

Its \(f(x) = x^2 + 1\)
Sometimes when students copy and paste, they forget to add the caret.

ok so the answer is 2 thanks a lot

Yes, I should have picked up on that.

can you guys help me with one more its
Evaluate f(x) = x^ 2 + 1 for f(10).
a.2√2
b.101
c.21

f(x) = x^2 + 1
f(10) = (10)^2 + 1
= 100 + 1
= ?

what about this one?
If f(x) = x 2 + 1 and g(x) = 3x + 1, find [f(2)-g(1)] 2.
a.1
b.2
c.9

I thought you said you only had one more....You tricked me :)

sorry...lol this is the last one.

f(2) - g(1) = (2)^2 + 1 -(3(1) + 1)
= 4 + 1 - 3 - 1
= 5 - 4
= ?

thanks