Determine the period of the function.Period of y = 5 sin (4?x + 2?)
A. 
B. 4?
C. 2
D. 
Answer: A
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Identify the polynomial as a monomial, binomial, trinomial, or none of these.15y3 + 8
A. Binomial B. Trinomial C. Monomial D. None of these
Solve.An experienced accountant can balance the books twice as fast as a new accountant. Working together it takes the accountants 6 hours. How long would it take the experienced accountant working alone?
A. 15 hr B. 9 hr C. 3 hr D. 12 hr
Provide an appropriate response.Consider the following figure, which is a square divided into two squares and two rectangles.
The length of each side of the large square is x + 2, which means that the area of the largest square is (x + 2)2. Use the formulas for the area of a square and the area of a rectangle to write the area of the largest square as a trinomial that represents the sum of the areas of the four figures that comprise it.
A. x2 + 4x + 4 B. x2 + 2x + 4 C. x2 + x + 4 D. x2 - 2x + 4
Solve the system by addition.
- 
= -18
+ 
= -9
A. {(0, 12)} B. {(12, 0)} C. {(0, -12)} D. {(-12, 0)}