First round each number to one non-zero digit. Then perform the calculation using the rounded numbers to obtain an estimate.80.6 ÷ (15.5)
A. estimate: 5.2
B. estimate: 4.5
C. estimate: 5
D. estimate: 4
Answer: D
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Find the standard deviation of the data.The manager of a small dry cleaner employs six people. As part of their personnel file, she asked each one to record to the nearest one-tenth of a mile the distance they travel one way from home to work. The six distances are listed below. Find the standard deviation. Round to the nearest hundredth. 21.1 19.8 40.1 31.2 10.5 14.1
A. 3119.04 mi B. 3727.76 mi C. 11.03 mi D. 35.65 mi
Given y = f(u) and u = g(x), find dy/dx = f'(g(x))g'(x).y = u2, u = 3x - 4
A. 18x - 24 B. 24x - 12 C. 9x - 12 D. 18x
Find the derivative.y = 
+ 
A. 
+ 
B. - 
+ 
C. - 
- 
D. - 
- 
Find the x- and y- intercepts.-x + 
y = -5
A. (8, 0), (0, -5) B. (5, 0.5), (0, -8) C. (-5, 0), (0, -8) D. (5, 0), (0, -8)