Factor the perfect square.x4 + 10x2 + 25
A. (x2 - 5)2
B. (x + 5)2
C. (x2 + 5)2
D. (x + 5)(x - 5)
Answer: C
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A plane flying horizontally at an altitude of 1 mi and a speed of 500 mi/h passes directly over a radar station. Find the rate at which the distance from the plane to the station is increasing when it is 2 mi away from the station.
a. ? 476 mi/h b. ? 670 mi/h c. ? 455 mi/h d. ? 570 mi/h e. ? 495 mi/h
Provide an appropriate response.For the linear function f(x) = 2x + 1, find: (a) the slope and (b) the vertical axis intercept. (c) Sketch the graph of f.
What will be an ideal response?
Factor the trinomial, or state that the trinomial is prime.x2 + 14x + 48
A. (x - 6)(x + 1) B. (x + 6)(x + 8) C. (x - 6)(x + 8) D. prime
Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = |-x| 
A. 
B. 
C. 
D. 