Simplify the expression.cot 
[cot x + tan x]
A. sec2x
B. sin x - csc x
C. sin2x
D. tan2x
Answer: A
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Graph the function by plotting points.f(x) = - 
x + 4
A. 
B. 
C. 
D. 
List the numbers that match the description.The whole numbers between 3 and 7
A. 3, 4, 5, 6, 7 B. 4, 5, 6, 7 C. 4, 5, 6 D. 3, 4, 5, 6
Using the given triangle lattice, if possible, sketch the following shapes. If not possible, explain why.
(a) Sketch four non-congruent non-right parallelograms with AB as one side.
(b) Sketch all of the squares with AB as one side.
(c) Sketch all of the non-square rectangles with AB as one side.
(d) Sketch an isosceles trapezoid with AB as one side
Solve the problem.A person drives 56t miles in t hours.(i) Evaluate 56t for t = 1, t = 2, t = 3, and t = 4. Describe the meaning of your results.(ii) Refer to your results to part (i) to determine at what speed the person is traveling.
A. (i) 112, 168, 224, 280; The person drives 112 miles in 1 hour, 168 miles in 2 hours, 224 miles in 3 hours, 280 miles in 4 hours. (ii) The person is driving 56 miles per hour. B. (i) 57, 58, 59, 60; The person drives 57 miles in 1 hour, 58 miles in 2 hours, 59 miles in 3 hours, 60 miles in 4 hours. (ii) The person is driving 57 miles per hour. C. (i) 56, 28.0, 18.7, 14.0; The person drives 56 miles in 1 hour, 28.0 miles in 2 hours, 18.7 miles in 3 hours, 14.0 miles in 4 hours. (ii) The person is driving 56 miles per hour. D. (i) 56, 112, 168, 224; The person drives 56 miles in 1 hour, 112 miles in 2 hours, 168 miles in 3 hours, 224 miles in 4 hours. (ii) The person is driving 56 miles per hour.