Use the numbers to make a magic square.-9, -5, -4, -1, 0, 1, 4, 5, 9
What will be an ideal response?
| -5 | 9 | -4 |
| 1 | 0 | -1 |
| 4 | -9 | 5 |
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Find the magnitude and direction angle (to the nearest tenth) for each vector. Give the measure of the direction angle as an angle in [0,360°].
A. 15; 157.4° B. 13; 112.6° C. 13; 157.4° D. 13; 22.6°
Provide an appropriate response.Consider the quartic function f(x) = ax4 + bx3 + cx2 + dx + e, a ? 0. Must this function have at least one critical point? Give reasons for your answer. (Hint: Must 
for some x?) How many local extreme values can f have?
What will be an ideal response?
Answer the question about the given function.Given the function f(x) = -4x2 - 8x - 8, if x = -1, what is f(x)? What point is on the graph of f?
A. -4; (-1, -4) B. -4; (-4, -1) C. -20; (-1, -20) D. -20; (-20, -1)
Multiply and simplify.
? 
A. 
B. 
C. 
D. 