Which set of ordered pairs could be generated by an exponential function?
• (-,0), (1.,1)
0 (-1, -1), (0, 0), (1, 1), (2,8)
• (-, 1), (1, 2), (2,4)
(-1, 1), (0, 0), (1, 1), (2, 4)

Which expression represents the total perimeter of her sandwich, and if x = 1.2, what is the approximate length of the crust?

More challenges: 1) factor out the indicated quantity.8mn² + 7mn - m : factor out the quantity -m2) factor the polynomial by grouping.2vw + 7cv + 14cw + 49c²3) factor completely using the difference of squares along with factoring by grouping.25v³ - 25v² - 4v + 44) factor the sum of cubes. 125x³ + 645) q³ + 27r³6) factor completely. use difference of squares.729p^6 - 6^67) solve the equation(7x + 4)(9x - 1) = 08) a. find the values of x for which f (x) = 0b. find f (0)f (x) = x² + 2x - 489) find the x and y-intercepts for the function defined by y = f (x)f (x) = (x + 3)(x + 4)(x - 1)²10) factor the trinomial completely by using any method. remember to look for a common factor first. 3v² - 2v - 16

Write the fraction for the part that is shaded. then find the equivalent fraction.