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3.1 Exercise 75

Avg difficulty 2.5

Evaluate f(−3),f(2),f(−a),−f(a),f(a+h). f \left(−3\right) , f \left(2\right) , f \left(− a\right) , − f \left(a\right) , f \left(a + h\right) .

Consider the relationship 3r+2t=18.3 r + 2 t = 18.

  1. ⓐ Write the relationship as a function r=f(t).r = f \left(t\right) .
  2. ⓑ Evaluate f(−3).f \left(- 3\right) .
  3. ⓒ Solve f(t)=2.f \left(t\right) = 2.

OpenStax Algebra and Trigonometry 2e, 3.1 Functions and Function Notation, exercise 75

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Adapted from College Algebra © 2021 Rice University. Licensed under CC BY 4.0. Sources: College Algebra 2e, Algebra and Trigonometry 2e, Precalculus 2e, College Algebra with Corequisite Support 2e. Imported at revision 4922e46.