Which of the following describes the rigid transformation in the function shown below?

y+5= -2(x-1)^2

a. the graph is shifted 5 units down.

b. the graph is shifted 1 unit left.

c. the graph is reflected across the x-axis.

d. the graph is stretched vertically by a factor of 2.

***idk explain? ; )

What is the volume of the sphere shown below with a radius of 3?

State whether weight is a function of height for the six students and explain. a. yes, height is a function of weight because two students weigh 165 pounds but have different heights. b. no, height is not a function of weight because two students weigh 165 pounds but have different heights. c. yes, weight is a function of height because for each value of height there is one corresponding value of weight. d. no, weight is not a function of height because there is not enough data to determine a function.

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9