What is 1.7 times 10 to the power of 5

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

Factor k2 - 17k + 16. a.(k - 2)(k - 8) b.(k - 1)(k + 16) c.(k - 1)(k - 16)