Find X and the measure of each angle​

Which of the following is true about the graph of f(x)=7^x. select all that apply. a= it intercepts the x axis b=it intercepts both axis c=it intercepts neither d=it intercepts the y axis

Average acceleration: i have no idea how to do this.

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2 acellus answer