Refer to the graph of y = f(x)= x + x shown. a) Find the slope of the secant line joining (-1, f(-1)) and (1, f(1)). b) Find the slope of the secant line joining (-1, f(-1)) and (-1+h, f(- 1 + h)). c) Find the slope of the graph at (-1, f(-1)). d) Find the equation of the tangent line to the graph at (-1, f(-1)). a) The slope is (Type an integer or a simplified fraction.)​

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

10 points? ? +++ me asap gabriella uses the current exchange rate to write the function, h(x), where x is the number of u.s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a) gabriella averages 7.5 u.s. dollars for every 100 euros. b) gabriella averages 100 u.s. dollars for every 25 euros. c) gabriella can exchange 75 u.s. dollars for 100 euros. d) gabriella can exchange 100 u.s. dollars for 75 euros.

Explain how you could use the interactive table to tell if sets of points are on the same line. math 8