Solve the problem.A number is 2 less than its square. Find all such numbers.
A. -1 and 2
B. -2 and 1
C. -2 and 2
D. -1 and 1
Answer: A
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Evaluate. Assume that all variables represent positive numbers. 
A. 2s
B. s
C. -s
D. 
Solve the problem.The function F described by F(C) = 
C + 32 gives the Fahrenheit temperature corresponding to the Celsius temperature C. Find and interpret F(-20).
A. -4°F; A temperature of -20°C is equivalent to -4°F. B. -112°F; A temperature of -20°C is equivalent to -112°F. C. -40°F; A temperature of -20°C is equivalent to -40°F. D. -4°F; A temperature of -4°C is equivalent to -20°F.
For the given function expressed verbally, give a graphical representation. Bob buys a car that gets 12 miles per gallon of gasoline. Give a representation to compute the number of miles, y , that Bob can travel with x gallons of gasoline. Let 0?x?10.
A. 
B. 
C. 
D. 
Find the inverse, if it exists, of the given matrix.A = 
A. 
B. 
C. 
D. 