For the function f, construct and simplify the difference quotient  .f(x) = 

A.
B.
C. - 
D.


Answer: B

Mathematics

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Solve the triangle. Round lengths to the nearest tenth and angle measures to the nearest degree.A = 28°B = 49°a = 14.2

A. C = 104°, b = 29.5, c = 22.8 B. C = 104°, b = 22.8, c = 29.5 C. C = 103°, b = 29.5, c = 22.8 D. C = 103°, b = 22.8, c = 29.5

Mathematics

Solve the problem.The paired data below consist of the temperatures on randomly chosen days and the amount a certain kind of plant grew (in millimeters). By using linear regression, the following function is obtained:  where x is temperature and y is growth in millimeters. Use this function to predict the growth of a plant if the temperature is 69. Round to the nearest hundredth.

A. 30.26 B. 27.71 C. 29.71 D. 29.16

Mathematics

Simplify the expression without using a calculator.

A. -823,543
B. - 
C.
D. 823,543

Mathematics

Round the whole number to the given place value.29,719,255 to the nearest million

A. 29,800,000 B. 29,719,000 C. 29,000,000 D. 30,000,000

Mathematics