Question

A circle's radius that has an initial radius of 0 cm is increasing at a constant rate of 5 cm per second. a. Write an expression to expresses the radius of the circle, r (in cm), in terms of the number of seconds, t, since the circle started growing. r = Preview b. Write an expression to express the area of the circle, A (in square cm), in terms of the circle's radius, r (in cm). A = Preview c. Write an expression to expresses the circle's area, A (in square cm), in terms of the number of seconds, t, since the circle started growing. A = Preview d. Write your answer to part (c) in expanded form so that your answer does not contain parentheses. A = Preview

          A circle's radius that has an initial radius of 0 cm is increasing at a constant rate of 5 cm per second.
a. Write an expression to expresses the radius of the circle, r (in cm), in terms of the number of seconds, t, since the circle started growing.
r = 
Preview
b. Write an expression to express the area of the circle, A (in square cm), in terms of the circle's radius, r (in cm).
A = 
Preview
c. Write an expression to expresses the circle's area, A (in square cm), in terms of the number of seconds, t, since the circle started growing.
A = 
Preview
d. Write your answer to part (c) in expanded form so that your answer does not contain parentheses.
A = 
Preview

A circle's radius that has an initial radius of 0 cm is increasing at a constant rate of 5 cm per second.
a. Write an expression to expresses the radius of the circle, r (in cm), in terms of the number of seconds, t, since the circle started growing.
r =
Preview
b. Write an expression to express the area of the circle, A (in square cm), in terms of the circle's radius, r (in cm).
A =
Preview
c. Write an expression to expresses the circle's area, A (in square cm), in terms of the number of seconds, t, since the circle started growing.
A =
Preview
d. Write your answer to part (c) in expanded form so that your answer does not contain parentheses.
A =
Preview

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