Find an equation for the graph.
A. y = 3 cos (4x)
B. y = 4 cos (3x)
C. y = 3 cos 
D. y = 4 cos 
Answer: D
Mathematics
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Determine the slope and y-intercept of the line represented by the given equation.x + 3y = 1
A. m = - 
; y-intercept is (0, 
)
B. m = -3; y-intercept is (0, 3)
C. m = 1; y-intercept is (1, 0)
D. m = 
; y-intercept is (0, 
)
Mathematics
Solve the equation by completing the square.p2 + 5p - 5 = 0
A. -5 ± 3
B. 
C. 
D. 
Mathematics
Solve.Last year a small company paid its sales staff $81,800 in commissions. If the commission rate was 2%, what was last year's sales total for the company?
A. $40,900 B. $4,090,000 C. $1,636,000 D. $1636
Mathematics
Solve the equation by making an appropriate substitution.x4 - 29x2 + 100 = 0
A. {-2i, 2i, -5i, 5i} B. {4, 25} C. {-2, 2, -5, 5} D. {2, 5}
Mathematics