Find and simplify the difference quotient of f, 
, for the function.f(x) = 4x2
A. 
B. 4(2x+h)
C. 
+ x + 4h
D. 4
Answer: B
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Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions.log
A. log x + 3 B. 1,000x C. -30x D. log x -3
Solve the problem.Jerry Jones buys a $120,000 T-bill at a 5.8% discount for 30 weeks. Find the interest earned on the T-bill. (Assume 52 weeks per year.)
A. $8,030.77 B. $2,007.69 C. $4,416.92 D. $4,015.38
Solve the problem.An office desk costs $6000. After 3 years, it depreciates to a value of $5100 Assuming linear depreciation, answer the following.a) Write a linear equation that gives the value of the desk, y, in terms of the number of years after it was purchased, x.b) Using the equation found in part a, find the value of the desk after 7 years.c) After how many years would the desk have no value?
A. y = 6000 - 200x; $3900; 20 years B. y = 6000 + 300x; $8100; 20 years C. y = 6000 - 300x; $3900; 20 years D. y = 6000 - 300x; $2100; 20 years
2,000 pounds = 1 ____ ?
A. ounces B. foot C. ton D. meter