Write the English phrase as an algebraic expression. Let the variable x represent the number.8 less than 4 times a number
A. 8 - 4x
B. 8x - 4
C. 4x - 8
D. 4 - 8x
Answer: C
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Solve the problem.A one-story building is 470 ft by 480 ft. If a square patio with sides 29 ft occupies the center of the building, how much area remains for offices?
A. 1871 ft2 B. 1784 ft2 C. 1900 ft2 D. 224,759 ft2
Determine the amplitude and range of the function and sketch its graph.y = 2 sin 2x
A. amplitude: 2; range: [-2, 2]
B. amplitude: 2; range: [-2, 2]
C. amplitude: 2?; range: (-?, ?)
D. amplitude: 2; range: [-2, 2]
Provide an appropriate response.A pediatric speech therapist started her own practice in 2004. The function y = 3.2 x + 10.53 models the number of patients she treated each year, where x is the number of years after 2004. The model was found using data for the years between 2004 and 2012. What does the model estimate as the number of patients in 2009? Round to the nearest whole number. Is this interpolation or extrapolation?
A. 29; interpolation B. 27; extrapolation C. 25; extrapolation D. 27; interpolation
Find the quotient.
A. 35.8 B. 2.58 C. 25.8 D. 3.58