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Algebra (all content)

Course: Algebra (all content) > Unit 7

Lesson 15: Composing functions (Algebra 2 level)
Math
Algebra (all content)
Functions
Composing functions (Algebra 2 level)
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Evaluate composite functions: graphs & tables

CCSS.Math: HSF.BF.A.1c
Google Classroom

Problem

The tables below show some inputs and outputs of functions f and g.
xminus, 8minus, 5minus, 11512
f, left parenthesis, x, right parenthesis16102minus, 2minus, 10minus, 24
xminus, 24minus, 4041220
g, left parenthesis, x, right parenthesis1941minus, 2minus, 8minus, 14
Evaluate.
left parenthesis, f, circle, g, right parenthesis, left parenthesis, 12, right parenthesis, equals
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4
  • an exact decimal, like 0, point, 75
  • a multiple of pi, like 12, space, start text, p, i, end text or 2, slash, 3, space, start text, p, i, end text
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