Write the expression in the standard form a + bi.2i15 - i7
A. -i
B. 1
C. -1
D. i
Answer: A
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Find the domain and range of the function.F(t) = t2 - 7
A. D: [-49,?), R: [-7,?) B. D: (-?, ?), R: [-7,?) C. D: [0, ?), R: (-?, -7] D. D: (-?, ?), R: (-?, ?)
Solve the problem.The following table shows the price per ounce for various sizes of a particular powdered laundry detergent. 
Determine whether a correlation exists between the package capacity and the price per ounce at 
A. No B. Yes
Find the probability.The table lists the eight possible blood types. Also given is the percent of the U.S. population having that type.
Let E be the event that a randomly selected person in the U. S. has type B blood. Let F be the event that a randomly selected person in the U. S. has RH-positive blood.Find P(F|E).
A. 0.818 B. 0.340 C. 0.720 D. 0.107
The graph of a one-to-one function f is given. Draw the graph of the inverse function f-1 as a dashed line or curve.f(x) = 2x
A. 
B. 