Solve the problem.
-The function M described by M(x) = 2.89x + 70.64 can be used to estimate the height, in centimeters, of a male whose humerus (the bone from the elbow to the shoulder) is x cm long. Estimate the height of a male whose
Humerus is 30.93 cm long. Round your answer to the nearest four decimal places.
A) 157.3400 m
B) 160.0277 cm
C) 30.9300 cm
D) 156.5375 cm

Question

Quizplus · Accepted Answer

Substitute x=30.93 in the given function M(x) = 2.89x + 70.64 to get the estimate of height in centimeters. 
M(30.93) = 2.89(30.93) + 70.64 ≈ 160.0277 cm 
Rounding to the nearest four decimal places, the estimated height is 160.0277 cm, which is option B. Substitute x = 30.93 in M(x) = 2.89x + 70.64:
M(30.93) = 2.89(30.93) + 70.64 ≈ 160.0277
Rounding to the nearest four decimal places, the estimated height is 160.0277 cm. Therefore, the best choice is B.

Solve the Problem. -The Function M Described by M(x) = 2.89x + 70.64