Question

If f(x)=x³+4x+3 then find f√2

Answer 1

If f(x) = x² - 4x + 3

F (2) 2²4(2) + 3 =

= 4-8 +3

= -4 +3

= -1

F (1) (1)² - 4+3

= 1-4 + 3-3 +3

= 0

F (2) - F (1)

= -1 +0

= -1

thank you so much