Choose the function that models the sequence −2%0D%0A−%0D%0A2%0D%0A , 14, −98%0D%0A−%0D%0A98%0D%0A , 686, . . . .%0D%0A%0D%0AFunction #1: f(n)=−7(−2)n−1%0D%0A%0D%0A(%0D%0A%0D%0A)%0D%0A=%0D%0A−%0D%0A7%0D%0A(%0D%0A−%0D%0A2%0D%0A)%0D%0A%0D%0A−%0D%0A1%0D%0A %0D%0A%0D%0AFunction #2: f(n)=−2(−7)n−1%0D%0A%0D%0A(%0D%0A%0D%0A)%0D%0A=%0D%0A−%0D%0A2%0D%0A(%0D%0A−%0D%0A7%0D%0A)%0D%0A%0D%0A−%0D%0A1%0D%0A %0D%0A%0D%0AFunction #3: f(n)=−2(7)n−1%0D%0A%0D%0A(%0D%0A%0D%0A)%0D%0A=%0D%0A−%0D%0A2%0D%0A(%0D%0A7%0D%0A)%0D%0A%0D%0A−%0D%0A1%0D%0A %0D%0A%0D%0AFunction #4: f(n)=7(−2)n−1%0D%0A%0D%0A(%0D%0A%0D%0A)%0D%0A=%0D%0A7%0D%0A(%0D%0A−%0D%0A2%0D%0A)%0D%0A%0D%0A−%0D%0A1%0D%0A %0D%0A%0D%0A(1 point)
Function #4: f(n)=7(-2)^n-1
