AP Precalculus Unit 1 Review

Front

What is the factored form of a polynomial with roots 7 and -2i?

Back

(x-7)(x+2i)(x-2i)

Front

What happens at a point of inflection in a function?

Back

The rate of change of a function changes from increasing to decreasing or from decreasing to increasing.

Front

What does the degree of a polynomial determine?

Back

The maximum number of x-intercepts.

Front

What type of function is symmetric about the y-axis?

Back

Even function.

Front

What type of function is symmetric about the origin?

Back

Odd function.

Front

How do you determine if a function is even?

Back

f(x) = f(-x) for all x in the domain.

Front

How do you determine if a function is odd?

Back

f(-x) = -f(x) for all x in the domain.

Front

What is the maximum number of turning points in a polynomial function?

Back

It is one less than the degree of the polynomial.

Front

What is the end behavior of a polynomial function with an even degree and a positive leading coefficient?

Back

Both ends of the graph rise.

Front

What is the end behavior of a polynomial function with an odd degree and a positive leading coefficient?

Back

The left end falls and the right end rises.