For the function find the maximum number of real zeros that the function can have, the maximum number of x-intercepts that the function can have, and the maximum number of turning points that the graph of the function can have. f(x) = -9 - x2
A. 2; 2; 2
B. 1; 2; 2
C. 2; 1; 1
D. 2; 2; 1
Answer: D
Mathematics
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Rationalize the denominator. Assume all variables have positive values.
A. 
B. 
C. 54
D. 5
Mathematics
Find the inverse of the function.f(x) = 6x3 - 2
A. f-1(x) = 
+ 2
B. f-1(x) = 
C. f-1(x) = 
D. Not invertible
Mathematics
Solve the problem.Determine whether the ordered triple (5, -4, 5) is a solution of the system of equations.2x - 3y + 3z = 244x + 4y - 3z = -83x - 3y + 2z = 23
A. Yes B. No
Mathematics
Use the product-to-sum formulas to rewrite the expression as the sum or difference of two functions.sin 7? cos 4?
A. 
cos 11? - 
cos 3?
B. 
sin 11? + 
cos 3?
C. 
sin 11? + 
sin 3?
D. sin cos 28?2
Mathematics