Solve the problem.Find the tangent to y = cos x at x = 
.
A. y = - x + 
B. y = x + 
C. y = 1
D. y = - x - 
Answer: A
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An experiment is conducted for which the sample space is 
Decide if the given probability assignment is possible for this experiment. If the assignment is not possible, tell why.
What will be an ideal response?
Solve the problem.Ron throws a ball straight up with an initial velocity of 40 feet per second from a height of 7 feet. Find parametric equations that describe the motion of the ball as a function of time. How long is the ball in the air? When is the ball at its maximum height? What is the maximum height of the ball?
A. x = 0; y = -16t2 + 40t + 7; 5.328 sec; 1.25 sec; 25 feet B. x = 0; y = -16t2 + 40t + 7; 4.621 sec; 1.25 sec; 177.892 feet C. x = 0; y = -16t2 + 40t + 7; 2.311 sec; 1.25 sec; 6.988 feet D. x = 0; y = -16t2 + 40t + 7; 2.664 sec; 1.25 sec; 32 feet
Write a system of linear inequalities that has the given graph.
A. 
B. 
C. 
D. 
Tell whether the expression is a monomial. If it is, name the variable(s) and coefficient, and give the degree of the monomial.2x2y5
A. Monomial; variables x, y; coefficient 2; degree 7 B. Monomial; variables x, y; coefficient 2; degree 5 C. Monomial; variables x, y; coefficient 2; degree 2 D. Not a monomial