The length of a curve from x=1 to x=4 is given by

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

Which of the following best describes the graph below? + + 2 + 3 + 4 1 o a. it is not a function. o b. it is a one-to-one function. o c. it is a many-to-one function. o d. it is a function, but it is not one-to-one.

Rewrite 9 log, x2 in a form that does not use exponents. 9log, x = log, x