Interpreting Slope and Initial Value

The function below shows the cost to attend the fair if you ride, r, rides.

f(r) = 1.75r + 5

What is the slope?

• 1.75

• 5

The function below shows the cost to attend the fair if you ride, r, rides.

f(r) = 1.75r + 5

What does the slope mean?

• It costs $1.75 to attend the fair

• It costs $5 to attend the fair

• It costs $1.75 per ride

• It costs $5 per ride

The function below shows the cost to attend the fair if you ride, r, rides.

f(r) = 1.75r + 5

What is the y-intercept?

• 1.75

• 5

The function below shows the cost to attend the fair if you ride, r, rides.

f(r) = 1.75r + 5

What does the y-intercept mean?

• It costs $1.75 to attend the fair

• It costs $5 to attend the fair

• It costs $1.75 per ride

• It costs $5 per ride

The function below shows the cost to attend the fair if you ride, r, rides.

f(r) = 1.75r + 5

If Al spent $19 at the fair, how many rides did Al ride?

The function below shows the cost for Mrs. Franklin to go to a buffet with, c, of her grandchildren.

f(c) = 2.95c + 6.85

What is the y-intercept?

• 2.95

• 6.85

The function below shows the cost for Mrs. Franklin to go to a buffet with, c, of her grandchildren.

f(c) = 2.95c + 6.85

What does the y-intercept mean?

• The price of the buffet for Mrs. Franklin is $2.95.

• The price of the buffet for Mrs. Franklin $6.85

• It costs $2.95 per grandchild

• It costs $6.85 per grandchild

The function below shows the cost for Mrs. Franklin to go to a buffet with, c, of her grandchildren.

f(c) = 2.95c + 6.85

What is the slope?

• 2.95

• 6.85

The function below shows the cost for Mrs. Franklin to go to a buffet with, c, of her grandchildren.

f(c) = 2.95c + 6.85

What does the slope mean?

• The price of the buffet for Mrs. Franklin is $2.95.

• The price of the buffet for Mrs. Franklin $6.85

• It costs $2.95 per grandchild

• It costs $6.85 per grandchild

The function below shows the cost for Mrs. Franklin to go to a buffet with, c, of her grandchildren.

f(c) = 2.95c + 6.85

If Mrs. Franklin brought 4 grandchildren to the buffet, how much did it cost her?