Write the expression in the standard form a + bi.
4
A. -4
B. -4i
C. 4
D. 4i
Answer: A
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Provide an appropriate response.Explain why f(x) = 2x is an exponential function but f(x) = x2 is not.
What will be an ideal response?
Write the word name for the given number.70,146
A. Seven million, one thousand, forty-six B. Seventy thousand, one hundred forty-six C. Seven hundred one thousand, forty-six D. Seven thousand, one hundred forty-six
Solve the equation.
= 
A. no solution
B. 
C. 
D. 
Solve the problem.A car rental company has two rental rates. Rate 1 is 
per day plus 
per mile. Rate 2 is 
per day plus 
per mile. If you plan to rent for one day, how many miles would you need to drive to pay less by taking Rate 2?
A. more than 900 miles B. more than 1800 miles C. more than 450 miles D. more than 1000 miles