Simplify the expression. Write the result without using negative exponents. (Assume all variables represent nonzero real numbers.)
-2
A. 
B. 
C. 
D. 
Answer: A
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Graph the given functions on the same rectangular coordinate system. Describe how the graph of g is related to the graph of f.f(x) = -4x, g(x) = -4x + 3
A. g shifts the graph of f vertically
down 3 units
B. g shifts the graph of f vertically
up 3 units
C. g shifts the graph of f vertically
down 3 units
D. g shifts the graph of f vertically
up 3 units
Change the complex number to rectangular form.
cos 270°
A. 2.646 + 0j B. -2.646 + 0j C. 0 - 2.646j D. 0 + 2.646j
Find the annual amount of depreciation using the straight-line method. Round to the nearest dollar.Cost:$4,100Estimated life:6 yearsEstimated scrap value:$600
A. $600 B. $100 C. $583 D. $683
Solve.A store sold 35 TVs on Monday, 17 TVs on Tuesday, and 28 TVs on Wednesday. How many TVs did the store sell in all?
A. 79 TVs B. 80 TVs C. 90 TVs D. 81 TVs