Question

Given that f(x)=7x^2+2x-8 determine f(4+b)-f(1)

Answer 1

Answer:

7b^2+58b+111

Step-by-step explanation:

f(4+b) - f(1) = 7(4+b)^2+2(4+b)-8 - [7(1)^2+2(1)-8]

= 7(16+8b+b^2)+8+2b-8 - 7-2+8

= 112+56b+7b^2+8+2b-8 -1

= 7b^2+58b+111

Answer 2

Answer:

gu

Step-by-step explanation: