Evaluate the expression for the given replacement values.8x2 + 2x for x = 4
A. 40
B. 136
C. 72
D. 120
Answer: B
Mathematics
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Factor.25n2 + 68n + 49
A. (5n + 7)(5n - 7) B. (5n - 7)2 C. (5n + 7)2 D. Not possible
Mathematics
Find all cube roots of the complex number. Leave answers in trigonometric form.2 + 2i
A. 
cis 20°, 
cis 140°, 
cis 260°
B. 
cis 20°, 
cis 140°, 
cis 260°
C. 
cis 30°, 
cis 150°, 
cis 270°
D. 
cis 20°, 
cis 140°, 
cis 260°
Mathematics
Solve for the requested variable.Your company uses the quadratic model y = -4.5x2 + 150x to represent the average number of new customers who will be signed on (x) weeks after the release of your new service. How many new customers can you expect to gain in week 6?
A. 873 customers B. 738 customers C. 288 customers D. 369 customers
Mathematics
Subtract.5.417 - 4.158
A. 1.259 B. 9.575 C. 1.359 D. 8.575
Mathematics