Math Problem Statement

Josué was given the function g(x) = -3x + 5 and asked to evaluate the function when x = -2, 0, and 3. Which of the following represents Josué's answer?

Solution

The function given is g(x)=3x+5g(x) = -3x + 5, and we are asked to evaluate it for x=2,0,x = -2, 0, and 33.

Step-by-step evaluation:

  1. When x=2x = -2: g(2)=3(2)+5=6+5=11g(-2) = -3(-2) + 5 = 6 + 5 = 11

  2. When x=0x = 0: g(0)=3(0)+5=0+5=5g(0) = -3(0) + 5 = 0 + 5 = 5

  3. When x=3x = 3: g(3)=3(3)+5=9+5=4g(3) = -3(3) + 5 = -9 + 5 = -4

So, the values of g(x)g(x) for x=2,0,x = -2, 0, and 33 are 11,5,11, 5, and 4-4, respectively.

Conclusion:

The correct option is B: 11,5,411, 5, -4.

Would you like more details or have any questions?

Here are 5 related questions to expand your understanding:

  1. What is the slope of the function g(x)=3x+5g(x) = -3x + 5?
  2. How do you interpret the y-intercept of the function g(x)g(x)?
  3. How would the graph of g(x)g(x) look based on the slope and y-intercept?
  4. If g(x)g(x) were shifted upward by 2 units, what would the new equation be?
  5. What would be the value of g(x)g(x) when x=1x = 1?

Tip: To find function values, simply substitute the given xx-value into the equation and solve.

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Math Problem Analysis

Mathematical Concepts

Linear functions
Function evaluation

Formulas

g(x) = -3x + 5

Theorems

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Suitable Grade Level

Grades 7-9