7. Given :
f(x)=x-2
g(x)= x²+x-6
h(x)=5x

Solve:(f+g)(-1)

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?

What is the value of the discriminant of the quadratic equation -2x = -8x + 8 and what does its value mean about thenumber of real number solutions the equation has?

Consider the sequence below. 3 , 1 , 1/3 , 1/9 , select the explicit function which defines the sequence.