Precalculus Algebra MATH 1710 Spring 2022 This quiz: 10 point(s) (0:; Quiz: 1710 Module 2 Question 8 of possible Quiz 10 This "I In+in: Next question -,) possible Submit quiz A person 4-ft tall casts a shadow 14-ft long. At the same time, a nearby tree casts a shadow 22-ft long. Find the height of the tree. E) The tree's height is D ft. (Round to the nearest tenth.) C) Time Remaining: 01:27:19 m Precalculus Algebra MATH 1710 Spring 2022 This quiz: 10 point(s) ((3 Quiz: 1710 Module 2 Question 9 of possible Quiz 10 This nllh+iq= Next question ;) possible Submit quiz Atruck driver operates a delivery service in a southern city. His start-up costs amounted to $2100. He estimates that it costs him (in terms of gasoline, wear and tear on his truck, etc.) $4.00 per delivery. He charges $6.50 per delivery. Let x represent the number of deliveries he makes. (a) Express the cost C as a function of x. (b) Express the revenue R as a function of x. (c) Determine analytically the value of x for which revenue equals cost. (d) Graph y1 = C(x) and y2 = R(x) on the same xyaxes and interpret the graphs. <:> (a) C(xl = D (b) Rlx) = D (c) Revenue equals cost when x = D. (Simplify your answer.) (d) Graph y1 = C(x) and y2 = R(x) on the same xy-axes. Choose the correct graph below. 0A 03 0Q Q Q Q I2? I14\" I27 [0, 2000, 200] by [0, 15000, 1000] C) Time Remaining: 01:27:03 m