Factor by grouping.15x2 - 6x + 20x - 8
A. (15x - 4)(x + 2)
B. (3x - 4)(5x + 2)
C. (15x + 4)(x - 2)
D. (3x + 4)(5x - 2)
Answer: D
Mathematics
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The table lists some input-output pairs for an exponential function f. Use the table to find the requested value.Find x when f(x) = 18. 
A. 2 B. 3 C. 18 D. 0
Mathematics
Sketch an angle ? in standard position such that ? has the least positive measure and the given point is on the terminal side of ?.(4, -2) 
A. 
B. 
C. 
D. 
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Find the average value of the function
?
?
over the indicated interval 
.
?
A. 
B. 
C. 
D. 
Mathematics
Determine whether the given function is exponential or not. If it is exponential, identify the value of the base a.
A. Exponential; a = 
B. Exponential; a = 11
C. Exponential; a = 
D. Not exponential
Mathematics