Alg S1 - What do you remember??

Front

What is an increasing interval in a graph?

Back

An increasing interval is a range of x-values where the function's output (y-values) is rising as x increases.

Front

Identify the interval of increasing for the function: f(x) = x^2 - 2x + 1.

Back

The interval of increasing is (1, ∞).

Front

Back

Front

What does the function d(x) = 9.25x represent?

Back

It represents the total earnings of Derek after x hours of work at a rate of $9.25 per hour.

Front

What does d(4) = 37 mean in the context of Derek's earnings?

Back

It means that after 4 hours of work, Derek makes $37.

Front

Write the equation for the total cost of a holiday meal for x people, given a cost of $12.50 per person and a $30 delivery fee.

Back

The equation is y = 30 + 12.5x.

Front

What is the significance of a dotted line in an inequality graph?

Back

A dotted line indicates that points on the line are not included in the solution set.

Front

Is the point (3, 1) a solution for the inequality y < 2x + 1?

Back

No, because it is located on the line and the line is dotted.

Front

What is the definition of a function?

Back

A function is a relation that assigns exactly one output for each input.

Front

What does it mean for a function to be linear?

Back

A linear function has a constant rate of change and can be represented by a straight line on a graph.