Simplify the exponential expression. Write any negative exponents as positive exponents. Assume all variables represent positive real numbers.x-2/7 ? x3/7
A. x-1/7
B. x6/7
C. x1/7
D. x7/6
Answer: C
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Solve the problem.The accompanying figure shows the graph of y = -x2 shifted to a new position. Write the equation for the new graph.
A. y = -(x - 5)2 - 4 B. y = -(x + 4)2 + 5 C. y = -(x - 5)2 + 4 D. y = -(x + 5)2 + 4
Use a grapher to find the vertex or x-intercepts, as indicated, of the quadratic function.Find the vertex of the function f(x) = 5x2 - x + 1.
A. (0.1, 1.05) B. (0.1, 0.95) C. (0.1, 1) D. (-0.1, 0.95)
Let u represent src="https://sciemce.com/media/4/ppg__tttt0515191515__f1q111g7.jpg" style="vertical-align: -17.0px;" />- 
, v represent 
, and w represent 
. Solve first for u, v, and w. Then solve the system of equations.
- 
- 
= 
- 
+ 
= - 
- 
- 
= - 
A. (-8, -5, 4)
B. 
C. 
D. (-8, -5, -4)
Find 3A – 2B.
a. 
b. 
c. 
d. 