1. sin(2x + 4) = cos(3x + 21) 2. cos(20+15) = sin(10+30)
3. sin(5x - 10) = cos(4x + 28)
4. sin(8X) + cos(x) = 2cos(x)

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points

The domain of a function can be represented by which one of the following options? o a. a set of output values o b. a set of f(x) values o c. a set of input values o d. a set of both input and output values