To stretch it vertically, you'll need a coefficient greater than 1 in front of the x. If you want to flip the graph over the x axis that coefficient needs to be negative. So it can only be D
PV=FV/(1+i)^t
FV=7000, i=3.5%=0.035,t=9
put everything in the formula
PV=7000/(1+0.035)^9
PV=$5136.12
C=5/9 (62-32)
c=(5/9)*30
c= 150/9
c=16.666....
so c=16.6
<span>so quarters to nickels would be 4:20. simplified is 1:5</span>