which function would be produced by a horizontal stretch of the graph of y=√x followed by a reflection in the x - axis

The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3

Which of the following is the shape of a cross section of the figure shown below

Rewrite the following quadratic functions in intercept or factored form. show your work. y = x^2 + 7x + 10