Math Problem Statement

Given h(x) = -3x + 5, find h(-7).

Solution

We are given the function h(x)=3x+5h(x) = -3x + 5 and need to find h(7)h(-7).

Step-by-Step Solution:

  1. The function is h(x)=3x+5h(x) = -3x + 5.
  2. To find h(7)h(-7), substitute x=7x = -7 into the equation.

h(7)=3(7)+5h(-7) = -3(-7) + 5

  1. Simplify the expression:

h(7)=21+5=26h(-7) = 21 + 5 = 26

Final Answer:

h(7)=26h(-7) = 26

Would you like further details or have any questions?


Here are 5 related questions for further practice:

  1. What is h(0)h(0) for the function h(x)=3x+5h(x) = -3x + 5?
  2. If h(x)=3x+5h(x) = -3x + 5, find the value of xx when h(x)=11h(x) = 11.
  3. How would the graph of h(x)=3x+5h(x) = -3x + 5 look?
  4. If the function were h(x)=2x+7h(x) = -2x + 7, what would h(7)h(-7) be?
  5. What is the slope of the linear function h(x)=3x+5h(x) = -3x + 5?

Tip: Always check your work by substituting values back into the original equation to ensure correctness.

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Math Problem Analysis

Mathematical Concepts

Linear Functions
Substitution in Equations

Formulas

h(x) = -3x + 5

Theorems

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Suitable Grade Level

Grades 6-8