Solve the problem.Use the graph of f to estimate the local maximum and local minimum.
A. Local maximum: 0; local minimum: -1
B. Local maximum: 1; local minimum: approx. 0 and -1
C. Local maximum: 0 and approx 1; local minimum: -1
D. Local maximum: 1; local minimum: -1
Answer: D
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Solve the problem.Assume that a watermelon dropped from a tall building falls 
in t sec. Find the watermelon's average speed during the first 4 sec of fall and the speed at the instant 
A. 65 ft/sec; 130 ft/sec B. 128 ft/sec; 65 ft/sec C. 64 ft/sec; 128 ft/sec D. 32 ft/sec; 64 ft/sec
Clear fractions and solve.
+ 
- 
= 0
A. 1 B. 45 C. -3 D. 5
Solve the equation in the real number system.3x3 - x2 + 3x - 1 = 0
A. 
B. 
C. 
D. 
Translate the phrase into algebraic symbols.Subtract a number from twenty-seven.
A. 27 - x B. 27 > x C. x - 27 D. x< 27 E. 27 and x