Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = 55.3
B. y = 3x + 50
C. y = 54
D. y = 2.5x + 50.4
Answer: D
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Solve.Megan made her weekly trip to the fish market. This time she bought 2.8 pounds of cod for $2.75 per pound and 1.5 pounds of halibut for $7.75 per pound. How much did she spend altogether for fish? Round to the nearest cent if necessary.
A. $19.33 B. $17.13 C. $21.36 D. $20.43
Solve the problem.Suppose that a radio transmission pattern can be modeled by for
where the units are miles. Determine the predominant direction(s) of transmission and the distance(s) of transmission in such direction(s). Assume that the positive
points east.
A. Northeast; 80 miles B. North and south; 80 miles C. Northeast and southwest; 6400 miles D. Northeast and southwest; 80 miles
Solve the problem.An object's altitude, in meters, is given by the polynomial h + vt - 4.9t2, where h is the height in meters from which the launch occurs, v is the initial upward speed in meters per second, and t is the number of seconds for which the rocket is airborne. A pebble is shot upward from the top of a building 171 meters tall. If the initial speed is 35 meters per second, how high above the ground will the pebble be after 3 seconds? Round results to the nearest tenth of a meter.
A. 320.1 meters B. 503.9 meters C. 261.3 meters D. 231.9 meters
Use transformations to graph the function. Determine the domain, range, and horizontal asymptote of the function.f(x) = 2(x - 3)
A. domain: (-?, ?); range: (0, ?)
horizontal asymptote: y = 0
B. domain: (-?, ?); range: (0, ?)
horizontal asymptote: y = 0
C. domain: (-?, ?); range: (-?, 0)
horizontal asymptote: y = 0
D. domain: (-?, ?); range: (-?, 0)
horizontal asymptote: y = 0