Select the correct answer. Suppose the area of a circle increases at a constant rate such that, at a given point in time, the rate of change of area of the circle is equal in
magnitude to the rate of change of the circumference. Find the radius at that instant.
A. r=1 unit
B. r= pi unit
C. r= 2pi unit
D. r= pi/2 unit

High schoolmathematics 5 points keith is the leading goal scorer for a team in an ice hockey league. last season, he scored 42 goals in 82 games. assuming he scores goals at a constant rate, what is the slope of the line that represents this relationship if the number of games is along the x-axis and the number of goals is along the y-axis?

Agraph of a trapezoid can have diagonals with slopes that are negative reciprocals and two pairs of adjacent sides that are congruent, true or false, and why

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5