Math Problem Statement

For the function h(x) = -3x^2 - 11x + 4, find the value of h(x) for each value of x given to the right. Specifically, find h(0).

Solution

To find h(0)h(0) for the function h(x)=3x211x+4h(x) = -3x^2 - 11x + 4:

  1. Substitute x=0x = 0 into the function: h(0)=3(0)211(0)+4h(0) = -3(0)^2 - 11(0) + 4

  2. Simplify each term: h(0)=0+0+4=4h(0) = 0 + 0 + 4 = 4

So, h(0)=4h(0) = 4.

Would you like further details, or do you have any questions?

  1. What would h(x)h(x) be for other values of xx, such as h(1)h(1) or h(1)h(-1)?
  2. How do we find the vertex of the quadratic function h(x)=3x211x+4h(x) = -3x^2 - 11x + 4?
  3. What is the axis of symmetry for this function?
  4. How do we determine if this parabola opens upwards or downwards?
  5. How does changing the coefficient of x2x^2 affect the graph of a quadratic function?

Tip: Substituting x=0x = 0 into any function gives the y-intercept, showing where the function crosses the y-axis.

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Math Problem Analysis

Mathematical Concepts

Algebra
Quadratic Functions
Function Evaluation

Formulas

Quadratic function h(x) = ax^2 + bx + c

Theorems

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Suitable Grade Level

Grades 8-10