Answer
(a) to B.
(b) to D.
(c) to E.
(d) to A.
(e) to C.
Work Step by Step
(a) to B because $x-7$ means shift the curve to the right 7 units.
(b) to D because $f(x)-7$ means shift the curve down 7 units.
(c) to E because $7\cdot f(x)$ means vertical stretching by a factor of 7.
(d) to A because $x+7$ means shift the curve to the left 7 units.
(e) to C because $f(x)+7$ means shift the curve up 7 units.
