Sara's earnings vary directly with the number of hours she works. the data is shown in the graph. if x = number of hours worked, and y = earnings, which equation models sara's direct variation?
a) y = 5x
b) y = 10x
c) y = 5 + x
d) y = 10 + x

Consider the expression below. 9 + 4(x + 2) – 3.1 select the term that best describes "3" in the given expression. o a. coefficient variable exponent constant

Sample response: if the graph passes the horizontaline test, then the function is one to one. functions that are one to one have inverses that a therefore, the inverse is a hinction compare your response to the sample response above. what did you include in your explanation? a reference to the horizontal-line test d a statement that the function is one-to-one the conclusion that the inverse is a function done

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)