Evaluate x2, -x2, and (-x)2 for the following value of x.-1
A. x2 = 1; -x2 = 1; (-x)2 = -1
B. x2 = 1; -x2 = -1; (-x)2 = 1
Answer: B
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Solve the problem.A salesperson has two job offers. Company A offers a weekly salary of $400 plus commission of 16% of sales. Company B offers a weekly salary of $800 plus commission of 8% of sales. What is the amount of sales above which Company A's offer is the better of the two?
A. $10,000 B. $5100 C. $5000 D. $2500
The graph of the function y = f(x) is given. On the same axes, sketch the graph of f-1(x). Use a dashed line for the inverse function.
A. 
B. 
C. 
D. 
Secret messages can be encoded by using a code and an encoding matrix. If we have the code: 
and an encoding matrix: E = 
, we can encode a message by taking every two letters of the message, converting them to their corresponding numbers, creating a 
/> matrix, and then multiplying each two numbers by E. Use the code and encoding scheme above and an additional encoding matrix, F = 
, to answer the question.If the letters to be encoded are L = 
, show that (E + F)L = EL + FL.
What will be an ideal response?
Evaluate the expression for the given replacement values.
for x = 64, y = 32
A. 40 B. 68 C. 12 D. 96