Decide whether or not the equation defines y as a function of x.y = 2x - 3
A. Yes
B. No
Answer: A
Mathematics
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Write the first five terms of the sequence {an}.a1 = 1, an + 1 = 6an
A. 1, 6, 36, 216, 1296 B. 1, 7, 13, 19, 25 C. 6, 36, 216, 1296, 7776 D. 6, 7, 8, 9, 10
Mathematics
Graph the function.Graph the function f(x) = 2 cos3 x.
A. 
B. 
C. 
D. 
Mathematics
Test the equation for symmetry with respect to the given axis, line, or pole.r2 = sin 2?;
the pole
A. may or may not have symmetry with respect to the pole B. has symmetry with respect to the pole
Mathematics
Find the constant of proportionality k, and write the linear function relating the two variables.Suppose that y varies directly with x. When x = 9, then y = 72.
A. k = 
; y = 
x
B. k = 63; y = x + 63
C. k = 9;y = 9x
D. k = 8; y = 8x
Mathematics