Which function results in f(2)=13? f(x)=x2+8f of x is equal to x squared plus 8

f(x)=3x2+1f of x is equal to 3 x squared plus 1

f(x)=2x3+5f of x is equal to 2 x cubed plus 5

f(x)=x2+x

Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)

What is the approximate value of  x  in the equation below.–3.396–0.7080.3040.955

Griffin ordered a pair of sneakers online. he had a $22 credit that he applied toward the purchase, and then he used a credit card to pay for the rest of the cost. if the shoes cost $58, how much did griffin charge to his credit card when he bought the sneakers?