EOC Prep NC Math 3

Front

What happens as k decreases in the equation y = |x + k| - 4?

Back

The graph of the function shifts to the right.

Front

Write an absolute value equation to model the situation where you hope to have 50 dollars but your calculation may be off by $15 or less.

Back

|x - 50| ≤ 15

Front

What is the value of f(10) + f^{-1}(-3) if f(10) = 4?

Back

4

Front

What does the equation A = 1200(0.94)^x represent?

Back

Decay (6% lost) because the base is less than 1.

Front

In a piecewise function, which line would you use for f(100) if it falls within the range of the bottom line?

Back

Bottom line.

Front

Define absolute value.

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction.

Front

What is the general form of an absolute value function?

Back

y = |x - h| + k, where (h, k) is the vertex.

Front

How do you determine if a function is increasing or decreasing?

Back

A function is increasing if its output values rise as the input values increase; it is decreasing if the output values fall.

Front

What is the significance of the vertex in a quadratic function?

Back

The vertex represents the maximum or minimum point of the parabola.

Front

Explain the concept of a piecewise function.

Back

A piecewise function is defined by different expressions based on the input value.