What are two lines in the same plane called?
?
A. perpendicular
B. intersecting
C. transversal
D. coplanar
E. parallel
Answer: D
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Write a system of inequalities that describes the possible solutions to the problem.Matt is going to invest no more than $4000 into two accounts earning 2% and 4% simple interest. He would like the accounts to earn at least 
after one year. He wants to invest less than 
in the account earning 4% simple interest. Write a system of inequalities to describe this situation and solve by graphing.
A. x + y ? 4000 0.02x + 0.04y ? 80 x ? 0 y ? 1000 B. x - y ? 4000 0.02x + 0.04y ? 80 x ? 0 y ? 0 C. x + y ? 80 0.02x + 0.04y ? 4000 x > 0 y ? 0 D. 0.02x + 0.04y - 80 ? 4000 x ? 0 y ? 0
Use logarithmic differentiation to find the derivative of y with respect to the independent variable.y = (x + 3) sin x
A. 
(x + 3) sin x
B. cos x ln (x + 3) + 
C. (x + 3) sin x
D. sin x ln (x + 3)
Find the value of the function.Given f(x) = 
, find f(-1).
A. 
B. - 3
C. Undefined
D. - 
Write as repeated multiplication.94
A. 9 ? 9 ? 9 ? 9 ? 9 B. 9 + 9 + 9 + 9 C. 4 ? 9 D. 9 ? 9 ? 9 ? 9