Use the graph and formula for f(x) to find the average rates of change of f from -4 to -1 and from 1 to 4.f(x) = 0.4x2 - 3
A. 2; 2
B. 2; -2
C. -2; 2
D. -2; -2
Answer: C
Mathematics
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Find the exact value using a double-angle identity.cos 
A. - 
B. 
C. - 
D. 0
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Provide an appropriate response.True or false? 
+ 
= 
Fill in the blank(s) with the appropriate word(s).
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Multiply. Write the product in lowest terms.
A. - 
B. - 
C. - 
D. 
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Solve the problem.The function P(x) = 0.65x - 57 models the relationship between the number of pretzels x that a certain vendor sells and the profit the vendor makes. Find 
the profit the vendor makes from selling 1000 pretzels.
A. $593 B. $650 C. $943 D. $707
Mathematics