Sketch the graph of the equation.y2 - x2 = 9
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Use a sum-to-product identity to rewrite the expression.cos (7y2 - 10) + cos (4y2 - 4)
A. - 2
B. 2
C. 2
D. 2
Mathematics
Use the graph of the function to estimate the x-intercepts.y = x2 + 3x - 18
A. x = -3, x = 6 B. x = -3, x = 18 C. x = -6, x = 3 D. x = 0
Mathematics
Solve and graph. Write the answer in set-builder notation.a - 8 < -4
A. {a
a ? 4}
B. {a
a ? 4}
C. {a
a < 4}
D. {a
a > 4}
Mathematics
Kenco Manufacturing estimates that its profit, P, in hundreds of dollars, is P = -3x² + 24x - 4 where x is the number of units produced in thousands. How many units must be produced to obtain a profit of $3476?
a. 2400 b. 3000 c. 5755 d. 2245
Mathematics