Simplify the power of i.
A. -i
B. i
C. -1
D. 1
Answer: D
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Determine the values of x for which the function is continuous. If the function is not continuous, determine the reason.f(x) = 
A. Not continuous at x = 5; small change B. Not continuous at x = -5, 5; small change C. Continuous for all x D. Not continuous at x = -5; function not defined
Factor the binomial completely.9x2 - 49y2
A. (3x - 7y)2 B. (3x + 7y)2 C. (3x + 7y)(3x - 7y) D. prime
Add or subtract as indicated. Write the answer in simplest form. 
+ 
A. 
B. 
C. 1
D. 
Match the function with the correct table values.f(x) = 
A. -0.3762; -0.3975; -0.3998; -0.4003; -0.4025; -0.4263 B. 0.4762; 0.4975; 0.4998; 0.5003; 0.5025; 0.5263 C. -0.5762; -0.5975; -0.5998; -0.6003; -0.6025; -0.6263 D. -0.4762; -0.4975; -0.4998; -0.5003; -0.5025; -0.5263