Without graphing the function, determine its amplitude or period as requested.y = -4 sin 5xFind the amplitude.
A. 
B. 
C. 4
D. 
Answer: C
Mathematics
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Determine whether the polynomial is a sum of cubes, a difference of cubes, or neither.x3 + 729
A. Neither B. Difference of cubes C. Sum of cubes
Mathematics
Find the eccentricity e of the hyperbola.x2 - 25y2 = 25
A. 
B. 
C. 
D. 2
Mathematics
Solve.Find f-1 for the function f = {(1, 5), (3, 8), (-5, -1)}.
A. 
B. Not invertible
C. {(5, 8, -1)}
D. {(5, 1), (8, 3), (-1, -5)}
Mathematics
Simplify the expression. Write your answer without negative exponents. Whenever an exponent is negative or zero, assume that the base is not zero.
A. 
B. 
C. 
D. 
Mathematics