In the function y= – 3x^2 +1, what effect does the negative sign
have on the graph, as compared to the graph of y=x^2?
o a. it shrinks the graph horizontally by a factor of 3.
o b. it reflects the graph across the x-axis.
o c. it stretches the graph horizontally by a factor of 3.
o d. it shrinks the graph vertically by a factor of 3.

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

Which geometric principle is used to justify the construction below?

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.a city water tank holds 20 gallons of water. a technician empties 25% of the tank. how many more gallons of water must be removed from thetank so that it has 5 of the water that it started with: the technician must removemore gallons of water for the tank to have 5 of the water that it started with.