Perform the indicated operations.(9x4 + 7xy - y3) - (x4 + 5xy + 7y3)
A. 9x4 + 2xy - 8y3
B. 8x4 + 2xy - 6y3
C. 8x4 + 2xy - 8y3
D. 10x4 + 13xy + 6y3
Answer: C
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Solve the problem.If x varies inversely as y2, and x = 3 when y = 20, find x when y = 5.
A. 75 B. 36 C. 4 D. 48
The bar graph below shows the number of students by major in the College of Arts and Sciences. Answer the question.
How many students are majoring in Math?
A. 200 B. 300 C. 150 D. 250
Prove the identity.tan2x + cos 2x = 1 - cos 2x tan2x
What will be an ideal response?
Use the Rational Zeros Theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers. f(x) = 4x4 - 8x3 + 5x2 - 2x + 1
A. -1, 1; f(x) = (x - 1)(x + 1)(4x2 + 1) B. -1, -1; f(x) = (x + 1)2(4x2 + 1) C. -1, 1; f(x) = (x2 + 1)(4x2 + 1) D. 1, 1; f(x) = (x - 1)2(4x2 + 1)