Find the equation of the quadratic function that has the given vertex and given point on its graph.Vertex: (3, -5) through: (-3, -77)
A. P(x) = -3x2 - 12x + 23
B. P(x) = 2x2 - 12x - 5
C. P(x) = -2x2 - 3x - 5
D. P(x) = -2x2 + 12x - 23
Answer: D
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Solve the problem.A course meets 5 times a week. One student misses class 3 days apart. A second student misses class 7 days apart. They were both absent on the second day of class. What is the next class day when both will be absent again?
A. class 22 B. class 23 C. class 21 D. class 10
Use sum-to-product identities to rewrite the expression as a product.cos 6x + cos 4x
A. 2 sin 5x sin x B. 2 cos 5x sin x C. 2 cos 5x cos x D. 2 cos 5x
Provide an appropriate response.The equation -x2 = - 64 has no real solutions.
A. True. B. False; the equation is equivalent to x2 = 64 and has two real solutions, 8 and -8. C. False; the equation has one real solution, 8.
Perform the indicated operation and simplify.
+ 
A. 
B. 
C. 
D. 