Multiply the polynomials using the special product formulas. Express the answer as a single polynomial in standard form.(3x + 4y)(3x - 4y)
A. 9x2 - 16y2
B. 9x2 - 24xy - 16y2
C. 9x2 + 24xy - 16y2
D. 6x2 - 8y2
Answer: A
Mathematics
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A. function B. not a function
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Sin t and cos t are given. Use identities to find the indicated value. Where necessary, rationalize denominators.sin t = - , cos t = -
. Find cot t.
A.
B. -
C.
D.
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Solve the problem.The position of a particle at time t is given by s, where . Find the velocity
A. ds/dt =
B. ds/dt =
C. ds/dt =
D. ds/dt =
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A. 15 feet B. 16 feet C. 18 feet D. 17 feet
Mathematics