Find the area of the figure using determinants.
A. 22.0
B. 21.0
C. 20.5
D. 21.5
Answer: A
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Evaluate the function for the given values of a and b. Then use the intermediate value theorem to determine which of the statements below is true.a = -2 and b = -1f(x) = 3x5 + 9x3 + 7x2 + 10
A. f(-2 ) and f(-1) have the same sign, therefore the intermediate value theorem cannot be used to determine whether f has a real zero between -2 and -1. B. f(-2 ) and f(-1) have opposite signs, therefore the function f does not have a real zero between -2 and -1. C. f(-2 ) and f(-1) have the same sign, therefore the function f has a real zero between -2 and -1. D. f(-2 ) and f(-1) have opposite signs, therefore the function f has a real zero between -2 and -1.
Use estimation to determine which calculation is incorrect.
A. 
B. 
C. 
D. 
Find the domain of the square root function. Then use the domain to choose the correct graph of the function.f(x) = 
A. domain of f: [3, ?)
B. domain of f: [-3, ?)
C. domain of f: (-?, 3]
D. domain of f: (-?, -3]
Decide whether the given number is a solution of the given equation.x - 8 = 2; -6
A. not a solution B. solution