Solve the problem.Four years ago, you invested $1000 in an account that returns 5.7% annually. The table shows the value of your investment at the end of each year.
Do these data represent a linear function?
A. No
B. Yes
Answer: A
Mathematics
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Verify the identity.tan 2 ? (1 + cos 2?) = 1 - cos 2?
What will be an ideal response?
Mathematics
Find a bound on the real zeros of the polynomial function.f(x) = 6x3 - x2 + 0.3x - 0.06
A. -2 and 2 B. -1.36 and 1.36 C. -1 and 1 D. -6 and 6
Mathematics
State the dual problem. Use y1, y2, y3 and y4 as the variables. Given: y1 ? 0, y2 ? 0, y3 ? 0, and y4
Minimizew = 2x1 + 3x2 + x3subject to:x1 + 3x2 + 2x3 ? 39 2x1 + 4x2 + 3x3 ? 52 x1 ? 0, x2 ? 0, x3 ? 0
A. Maximize z = 52y1 + 39y2
| subject to: | 2y1 + y2 ? 2 |
3y1 + 2y2 ? 1
B. Maximize z = 52y1 + 39y2
| subject to: | 2y1 + y2 ? 2 |
3y1 + 2y2 ? 1
C.
| Maximize | z = 39y1 + 52y2 |
| subject to: | y1 + 2y2 ? 2 |
2y1 + 3y2 ? 1
D.
| Maximize | z = 39y1 + 52y2 |
| subject to: | y1 + 2y2 ? 2 |
2y1 + 3y2 ? 1
Mathematics
Find the exact value of the expression.cos
A. 
B. 
C. 
D. 
Mathematics