Answer:
1094
Step-by-step explanation:
The sum of terms of a geometric series is given by ...
Sn = a1·(r^n -1)/(r -1)
You want the sum for ...
a1 = 2, r = -3, n = 7
Filling in the numbers, we get ...
S7 = 2·((-3)^7 -1)/(-3-1) = 2(-2188)/(-4)
S7 = 1094
Answer:
A). (0, ∞)
Step-by-step explanation:
The function value is negative where the red line is below the x-axis. That is the case for all values of x that are greater than 0. In interval notation, this is ...
(0, ∞)
Each x value pairs to one and only one y value
Do the opposite to the x..if it was -2x you plus that