Operations with Functions

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Presentation transcript:

Operations with Functions Find 2f(x) + 3g(x) Find g(x) – f(x) Find f(-3)

Test Review

How do you multiply polynomials? GSE Algebra I EQ: How do you multiply polynomials? Standard: M.ALGI.4.14: Polynomials: Multiply

Multiplying Polynomials

Exponent Rules Product of a power: If the bases are the same, and we need to multiply, we just add the exponents. So

(5)(x + 6)

(x2)(x + 6)

(-2x)(x2 – 4x + 2)

(2x + 5)(x + 6) 2x2 +12x + 5x +30

(x + 9) (x – 3) x2 -3x + 9x -27

(3x – 1)(2x – 4)

(2x – 3)(2x + 3)

(3b2 – 2b + 5)(5b – 6)

(2y + 2)(-3y2 + 5y – 4)

Find the area of the rectangle.

Find the area of the rectangle.

Find the volume.

Combining Functions

Simplify.

Simplify.

Simplify.