Find the quantity indicated.x varies inversely as y2. If x = 4 when y = 10, find x when y = 2.
A. x = 100
B. x = 5
C. x = 80
D. x = 16
Answer: A
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Write the first six terms of the geometric sequence with first term, a1, and common ratio, r.a1 = -5; r = 4
A. -20, -80, -320, -1280, -5120, -20,480 B. -5, 20, -80, 320, -1280, 6400 C. -5, -1, 3, 7, 11, 15 D. -5, -20, -80, -320, -1280, -5120
Solve the problem.The position of a weight attached to a spring is s(t) = -5 cos 12?t inches after t seconds. What is the maximum height that the weight reaches above the equilibrium position and when does it first reach the maximum height? Round values to two decimal places, if necessary.
A. The maximum height of 10 inches is first reached after 3 seconds. B. The maximum height of 10 inches is first reached after 6 seconds. C. The maximum height of 5 inches is first reached after 6 seconds. D. The maximum height of 5 inches is first reached after 0.08 seconds.
Decide whether the statement is an example of the commutative, associative, identity, inverse, or distributive property.
= 1
A. Identity B. Commutative C. Inverse D. Associative
Determine the domain and range of the function.
A. domain: (-?, ?); range: [-3, 3) B. domain: (-?, ?); range: (-3, 3] C. domain: (-?, ?); range: [-3, 3] D. domain: (-3, 3]; range: (-?, ?)