CPM Homework Help : PC3 Problem 3-129

Sketch a graph of each the following functions. Include at least two cycles.

$y=2\sin(x)-1$
Hint (a):
Sketch a sine curve with an amplitude of $2$ , shifted _____ $1$ unit.

$y = - \operatorname { sin } ( x - \frac { \pi } { 4 } ) + 2$
Hint (b):
Sketch a sine curve that is reflected vertically, shifted right ___ units, and shifted up ___ units.