Use a calculator to evaluate the expression. Round your answer to the nearest thousandth.|8 - ?4|
A. -89.409
B. -91.42
C. 91.421
D. 89.409
Answer: D
Mathematics
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Find the value of (f ? g)' at the given value of x.f(u) = 
- u, u = g(x) = ?x, x = 7
A. 7? B. -7? C. 4 - ? D. -?
Mathematics
Provide an appropriate response.Divide: 6.6 ÷ 2.4
A. 27.5 B. 275 C. 2.75 D. 0.275 E. none of the above
Mathematics
Provide an appropriate response.An equation is a statement that uses a division sign.
A. True B. False
Mathematics
Solve the problem.A store is discounting all regularly priced items by 75%. (i) Find a function f that computes the sale price of an item having a regular price of x. (ii) Find the regular price of an item that costs $84.59 on sale.
A. f(x) = x - 0.75; $85.34 B. f(x) = 0.75x; $112.79 C. f(x) = x - 0.75x; $338.36 D. f(x) = 0.75 + x; $83.84
Mathematics