For f(x)=2x-3x^2, evaluate f(-3)

The circumference of a circle is 5 pi cm. what is the area of the circle?

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

1c) the number 131 is a term in the sequence defined by the explicit rule f(n)=5n-4. which term in the sequence is 131? 2a) write the first four terms of the function f(n)=n^2-1 2b) what is the 10th term of the sequence defined by the explicit rule f(n)=n^2-1 2c) the number 224 is a term in the sequence defined by the explicit rule f(n)=n^2-1. which term in the sequence is 224?