Math Problem Statement

f(0)=-2*(0)^2+7*0+5

Solution

To evaluate the function f(x)=2x2+7x+5f(x) = -2x^2 + 7x + 5 at x=0x = 0, substitute x=0x = 0 into the function:

f(0)=2(0)2+7(0)+5f(0) = -2(0)^2 + 7(0) + 5

Simplifying the expression:

f(0)=2(0)+0+5=5f(0) = -2(0) + 0 + 5 = 5

So, f(0)=5f(0) = 5.

Would you like more details or have any questions?

Here are some related questions you might consider:

  1. What is f(1)f(1) for the same function?
  2. What are the x-intercepts of the function f(x)f(x)?
  3. How does the negative coefficient of x2x^2 affect the shape of the parabola?
  4. What is the maximum or minimum value of f(x)f(x)?
  5. How does the function change if the coefficient of xx is altered?

Tip: When dealing with quadratic functions, the sign of the coefficient of x2x^2 determines whether the parabola opens upwards (positive) or downwards (negative).

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Math Problem Analysis

Mathematical Concepts

Quadratic Equations
Function Evaluation
Polynomial Functions

Formulas

Quadratic formula

Theorems

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Suitable Grade Level

Grades 10-12