Which graph shows the solution set for 2x+3 >-9? -8 -7 -6 -5 4 -3 -2 -1 0 1 2
-8 -7 -6 -5 4 -3 -2 -1 0 1 2
+ + ++
-8 -7 -6 -5 4 -3 -2 -1 0 1
2
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-8 -7 -6 -5 4 -3 -2 -1 0 1 2
Please help

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

Asales representative from a local radio station is trying to convince the owner of a small fitness club to advertise on her station. the representative says that if the owner begins advertising on the station today, the club's total number of members will grow exponentially each month. she uses the given expression to model the number of club members, in hundreds, after advertising for t months.

Calculate the average rate of change over the interval [1, 3] for the following function. f(x)=4(5)^x a. -260 b. 260 c. 240 d. -240