What’s the value of x?

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60

[tex]5 \times1 \frac{12}{13} [/tex] me