Choose the correct solution to x² - 3x = 28

x = -4 and x = 7
x = -4 and x = -7
x = 4 and x = -7
x =4 and x =7

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