A contour map for a function f is shown. Use it to estimate the value of f(-3, 3)



a. 78

b. 48

c. 56

d. 35

e. 28


c. 56

Mathematics

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When possible, apply the distributive law and combine like terms.3x - 7x

A. 10x B. -4 + x C. -4x D. -21x

Mathematics

The list shows the scores for a basketball team. Use the list to complete the frequency distribution table and construct a histogram.20?21?15?23?2831?32?30?19?3234?42?29?23?20  

What will be an ideal response?

Mathematics

Business equipment is often depreciated using the double declining-balance method. In this method, a piece of equipment with a life expectancy of N years, costing C dollars, will depreciate to a value of V dollars in n years, where n is given by the formula:A computer that cost $12,000 has a life expectancy of 5 years. If it has depreciated to a value of $1,800, how old is it? Round the answer to the nearest tenth of the year. 

A. 3.7 years old B. 5.3 years old C. 2.2 years old D. 3.0 years old E. 4.1 years old

Mathematics

Simplify the expression so that no negative exponents appear in the final result. Assume all variables represent nonzero numbers.(3x-5)2(x2)-4

A.
B.  
C. 32x80
D.  

Mathematics