SOLUTION: please help me!!! evaluate the function f(x)=x2+5x+2 at the given values of the independent variable and simplify. a. f(7) b.f(x+2) c.f(-x)

Algebra ->  Rational-functions -> SOLUTION: please help me!!! evaluate the function f(x)=x2+5x+2 at the given values of the independent variable and simplify. a. f(7) b.f(x+2) c.f(-x)      Log On


   



Question 394895: please help me!!! evaluate the function f(x)=x2+5x+2 at the given values of the independent variable and simplify. a. f(7) b.f(x+2) c.f(-x)
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
f(x)=x^2+5x+2
I'll do the toughest one and you should be abl to do the other two.
b) f(x+2)=(x+2)^2+5(x+2)+2 Just replace x with x+2.
=x^2+4x+4+5x+10+2
=x^2+9x+16
.
Ed