Find an equation for the graph.
A. y = 5 sin (2x)
B. y = 2 sin (5x)
C. y = 5 sin 
D. y = 2 sin 
Answer: A
Mathematics
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Identify the degree of the polynomial.t - 4t2 + 7t3 + 1
A. 5 B. 3 C. 6 D. 1
Mathematics
Use synthetic division to divide.(x4 - 625) ÷ (x + 5)
A. x3 + 5x2 - 25x + 125 B. x2 + 5x + 25 C. x3 + 5x2 + 25x + 125 D. x3 - 5x2 + 25x - 125
Mathematics
Solve the system of equations by substitution.
x - y = - 
x + 8y = -4
A. (0, 4) B. (0, -4) C. (-4, 0) D. (4, 0)
Mathematics
Use the table to solve the problem.The cost in dollars of driving a certain make and model of car for x miles is given by the function f. A numerical representation of f is given in the following table. 
If the cost is $1.12, how many miles have been driven?
A. 3 miles B. 2 miles C. 4 miles D. 1 miles
Mathematics