Determine whether the equation defines y as a function of x. y2 = 4 - x2
A. function
B. not a function
Answer: B
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Write the number as a product of prime factors.385
A. 52 × 11 B. 35 × 11 C. 5 × 7 × 11 D. 72 × 5
Find the exact values for sin s, cos s, and tan s.s = ?
A. sin s = 0; cos s = 1; tan s = 0 B. sin s = 0; cos s = -1; tan s = 0 C. sin s = 0; cos s = 1; tan s = undefined D. sin s = 0; cos s = -1; tan s = undefined
Find an equation of variation in which y varies inversely as x and the following is true.y = 40, when x = 27
A. y = 
B. y = 1.48x
C. y = 1080x
D. y = 
The graph of the polynomial f(x) is shown in the figure. Estimate the zeros and state whether their multiplicities are odd or even.
A. -3.5 (even), -2.5 (odd), 1.5 (odd) B. -3.5 (odd), -2.5 (even), 1.5 (odd) C. -3.5 (odd), -2.5 (even), 1.5 (even) D. -3.5 (even), -2.5 (odd), 1.5 (even)