Question

Check my answer? Simplifying indicated value?

Answer 1

Kinda think its either B or A not sure

Answer 2

How did you get A or B ?

Answer 3

Here we need to plug in (a+h) and a into the function f like this :
f(a+h) = 10(a+h)^2 + (a+h)
f(a) = 10a^2 + a
and then simplify.

Answer 4

HI!!

Answer 5

"simplify" means "multiply using the distributive law, then combine like terms" at the end you can cancel the common factor of \(h\) top and bottom

Answer 6

btw it is definitely not A or B

Answer 7

Ahh okay would that make it D then? @misty1212 @math&ing001

Answer 8

Yep, correct !

Answer 9

Thank you @math&ing001

Answer 10

No probs @JoeJoldin