The line graph shows the recorded hourly temperatures in degrees Fahrenheit at an airport. Use the graph to answer the question.
At what time was the temperature 72°?
A. 9 a.m. and 10 a.m.
B. 9 a.m.
C. 10 a.m.
D. 6 p.m.
Answer: B
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Determine an appropriate domain of the function. Identify the independent and dependent variables.A cylindrical water tank with a radius of 11 feet and a height of 68 feet is filled to a height of h. The volume V of water (in cubic feet) is given by the function g(h) = 121?h.
A. D = [0, 68] The independent variable is h. The dependent variable is V. B. D = [0, 8,228?] The independent variable is V. The dependent variable is h. C. D = [0, 68] The independent variable is V. The dependent variable is h. D. D = [0, 121] The independent variable is h. The dependent variable is V.
Write in scientific notation.162.04
A. 1.6204 × 10-1 B. 1.6204 × 101 C. 1.6204 × 102 D. 1.6204 × 10-2
Convert as indicated. Express the answer in decimal form when needed.329 feet per second to meters per second (Round to the nearest tenth.)
A. 100.3 ft/sec B. 987 ft/sec C. 365.6 ft/sec D. 109.7 ft/sec
Match the description with the correct symbolic expression.a constant function
A. f(x) = -7 B. -5x + 6y = 2 C. x = -5 D. y = -5x + 2