Answer:
=x^2 +4x+11
Step-by-step explanation:
f(x) = x^2 + 7,
Replace x with x+2
f(x+2) = (x+2)^2 + 7
= (x+2)(x+2) +7
FOIL
= x^2 +2x+2x+4 +7
Combine like terms
=x^2 +4x+11
To simplify that expression you'll join like terms.
8x + 4 - 5
8x - 1
Answer: isolate the variable
Step-by-step explanation:
Sin(4π/3)= -√3/2
cos(5π/6)= -√3/2
