Evaluating Functions

Front

Evaluate f(t)=-2t²+1 for f(-3)

Back

-17

Front

Evaluate f(x)=x²-5x for f(4)

Back

-4

Front

What does h(4) = 5 mean in the context of the function h(t) representing plant height?

Back

After 4 weeks the plant is 5 inches tall.

Front

Evaluate the function for the given value: f(x)=3x²-2x+1 for x=3

Back

63

Front

If f(x)=6x²-4, what is f(-1)?

Back

2

Front

What is the definition of a function?

Back

A relation that assigns exactly one output for each input.

Front

What does it mean to evaluate a function?

Back

To find the output of a function for a specific input value.

Front

What is the standard form of a quadratic function?

Back

f(x) = ax² + bx + c, where a, b, and c are constants.

Front

What is the vertex of a parabola in the function f(x) = ax² + bx + c?

Back

The vertex is the point (h, k) where h = -b/(2a) and k = f(h).

Front

How do you find the y-intercept of a function?

Back

Set x=0 and solve for f(0).