Math  /  Algebra

QuestionEVALUATE Independent Practice
Complete the previous problems, check your solutions, then complete the Lesson Checkpoint below.
Complete the Lesson Reflection above by circling your current understanding of the Learning Goal(s).
1. Find the range of the function f(x)=2x3f(x)=-2 x-3 for the domain {1,0,1}\{-1,0,1\}

Range: \qquad
2. Find the range of the function f(n)=n22nf(n)=n^{2}-2 n for the domain {1,3,5}\{1,3,5\}

Range: \qquad
Evaluate the function using function notation and interpret the value in context. Natalie wants to know how much money her computer costs each day if she never turns it off. She uses a meter to record the amount of energy her computer uses each day for 30 days.
After recording the cost for 30 days, she determined the cost to run her computer is equal to the function f(d)f(d), where f(d)=.40df(d)=.40 d, and dd is the number of days.
3. What is the value of f(d)f(d) at f(30)f(30) ?
4. What is the value of f(30)f(30) in context? (1) lifelong Algebra 1A (2024) Module 2

Studdy Solution
For f(x)=2x3f(x) = -2x - 3, the range is {1,3,5}\{-1, -3, -5\}.
For f(n)=n22nf(n) = n^2 - 2n, the range is {1,3,15}\{-1, 3, 15\}. f(30)=12f(30) = 12, meaning it costs Natalie $12\$12 to run her computer for 30 days.

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