Suppose that for a company manufacturing calculators, the cost, revenue, and profit equations are given by Start 1 By 3 Matrix 1st Row 1st Column Upper C equals 90 comma 000 plus 20 x comma Superscript 2nd Column Upper R equals 300 x minus StartFraction x squared Over 20 EndFraction comma 3rd Column Upper P equals Upper R minus Upper C Superscript EndMatrix where the production output in 1 week is x calculators. If production is increasing at a rate of 500 calculators per week when production output is 4 comma 000 calculators. Find the rate of increase (decrease) in cost, revenue, and profit.

Analyze the data sets below. data set a 25,25,25,26,26,26,27,28,28,29,30,31 ,31,32,33,33,34,35,35,35 data set b 25,25,25,26,26,26,26,27,27,27,27,28 ,28,29,29,30,31,31,32,34 which of the following statement are true? select all that apply. a. data set a is relatively symmetric and data set b is skewed left. b. the means of the data sets are within 3 units from eachother. c. the data sets have the same standard deviation. d. the mean of data set a is 27.95 and the mean of data set b is 30. e. the data set b has a higher standard deviation than data set a. f. the mean and median of data set a are close in value.

Select the correct answer from each drop-down menu. rewrite the formula to find voltage. the formula for electrical power (p, in watts) is where v is the voltage in volts and r is the resistance in ohms. for a particular brand of water heater, r is 32 ohms and p is 0.5 watts. the formula to find v is , and the voltage at which the heater operates is volts.

Select the quadratic that has root x = 8 and x = -5