Functional notation. if ƒ(x) = 3x² - 5x - 3, then ƒ(2) - ƒ (-1) = ?

Someone please help me with this.
in Algebra 1 Answers by Level 1 User (860 points)

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2 Answers

ƒ(x) = 3x² - 5x - 3, then ƒ(2) - ƒ (-1)

f(2) = 3(2^2) - 5*2 - 3  = - 1

f(- 1) = 3( -1^2) - 5(- 1) - 3 = 5

ƒ(2) - ƒ (-1) = - 1 - 5 = - 6
by Level 8 User (36.8k points)
Thank you jkhenry!
by Level 1 User (860 points)

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