Find the slope of the line tangent to the graph of the function at the given value of x.y = -8x-1 + 5x-2; x = 2
A. - 
B. 
C. 
D. - 
Answer: B
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If we have a function giving the weight of a man in terms of his height and a function giving the height of this man in terms of his age, we can compose the two functions to get the man's weight in terms of his age.
Answer the following statement true (T) or false (F)
Solve.Amy can clean the house in 6 hours. When she works together with Tom, the job takes 4 hours. How long would it take Tom, working by himself, to clean the house?
A. 13hr
B. 12 hr
C. 12
hr
D. 2 hr
Find the missing values. Round amounts to the nearest dollar and rates to the nearest percent.Maturity value: $4809Discount rate: 11%Date made: 6/20Due date: 
Time: 90 daysDiscount: 
Proceeds: 
A. Due date: 9/20 Discount: $1304 Proceeds: $3505 B. Due date: 9/18 Discount: $132 Proceeds: $4677 C. Due date: 9/20 Discount: $132 Proceeds: $4677 D. Due date: 9/18 Discount: $1304 Proceeds: $3505
Use the pH scale to solve the problem. Negative ions, designated by the notation [OH-] are always present in any acid or base. The concentration, [OH-], of these ions is related to [H+] by the equation [OH-] ? [H+] = 10-14 moles per liter. Find the concentrations of [OH-] and [H+] in moles per liter for the substance with the following pH value. Round to two decimal places. pH = 12.2
A. [H+] = 6.31 × 10-13 [OH-] = 1.58 × 10-2 B. [H+] = 1.58 × 10-13 [OH-] = 6.31 × 10-3 C. [H+] = 6.31 × 10-11 [OH-] = 1.58 × 10-3 D. [H+] = 1.58 × 10-2 [OH-] = 6.31 × 10-13