Question

If f(x) = 5x^2 – 8x + 13 and g(x) = 3^x – 8, what is f(x) + g(x)?

a. 5x2 – 5x + 5
b. 5x2 + 5x + 21
c. 5x2 – 11x + 5
d. 5x2 – 11x + 21

Answer 1

just add both the equations.
the answer is a

Answer 2

yea but how do u do, the 3^x?

Answer 3

-8x+3x i believe its 3x,not 3^x.

Answer 4

well thats what it says here

Answer 5

@sar12 then it should be a printing mistake.books CAN be wrong.you wont get any of the given answers if it was 3^x

Answer 6

ok thanks!

Answer 7

If it is 3x this will be the answer
5x^2 – 8x + 13 +3x – 8
5x^2-5x+5

Answer 8

Ok thanks everyone!