Solve the problem.The shape of a plexiglass windshield is triangular with a height of 2.4 ft and base of 5.4 ft. What is the cost of the windshield if the plexiglass costs $1.40 per ft2?
A. $18.14
B. $6.48
C. $9.07
D. $4.54
Answer: C
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Graph the function using a solid line and its inverse using a dashed line on the same set of axes.f(x) = 
x + 3
A. 
B. 
C. 
D. 
Use a calculator to evaluate the expression, or state that the value does not exist. Round the answer to four decimal places when necessary.
coth-1 
A. -0.3466 B. -0.1155 C. -0.0252 D. -0.231
Solve the problem.A group reserves a room in a restaurant for an engagement party. The buffet dinner normally costs $32 per person. A group discount reduces the price by $0.50 for each person who attends; the more dinners sold, the lower the per-person price. The maximum capacity of the room is 140 people. What size of party would maximize the restaurant's revenue?
A. 140 B. 130 C. 32 D. 64
Find the x-intercepts (if any) for the graph of the quadratic function.f(x) = 2x2 - 14x + 24
A. (4, 0) and (3, 0) B. (6, 0) and (-2, 0) C. (6, 0) and (2, 0) D. (4, 0) and (-3, 0)