7. A water through of length 1 m has a triangular cross-section in the shape of an equilateral triangle of side 60 cm. Water is filled to the through at a rate of 50/3 ems. Find the rate
of increase of the depth of the water in the through when it has been filled for 10 minutes.
[12 marks]

M the table below represents a linear function f(x) and the equation represents a function g(x): x f(x)−1 −50 −11 3g(x)g(x) = 2x − 7part a: write a sentence to compare the slope of the two functions and show the steps you used to determine the slope of f(x) and g(x). (6 points)part b: which function has a greater y-intercept? justify your answer. (4 points)