Evaluate the function f(x)=x^2-5x+ 5 at the given values of the independent variable and simplify a. f(9)
b. f(x+7)
c. f(-x)
a. f(9) =
(Simplify your answer.)
b. f(x + 7) =
(Simplify your answer.)
c. f(-x) =
(Simplify your answer.)

At dinner, 2/5 of the people had fish and 1/3 had chicken. if everyone else had lamb, what fraction of the people had lamb? and if 40 people had lamb , calculate the total number of people at the dinner.

You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0