Select the correct answer. What is the expanded equivalent of cos(a – b)? A. sin a cos b – cos a sin b
B. sin a cos b + cos a sin b
C. cos a cos b – sin a sin b
D. cos a cos b + sin a sin b

step-by-step explanation:

from the graph attached below:

domain of graph is the value of x for which the given function profit function p(x) is defined.

(a) the domain represents the number of years for which the outlet will earn a profit.

range of profit function defines the lowest to highest value of profit earned.

(b) the range of this function is (0 , 160 ). for this function, the range represents the outlet's profit earned.

answer:

step-by-step explanation:

marco saved more.   he saved $35 more.

step-by-step explanation:

1+2+3+4+5+6+7+8+9+10 = 55

2*10 = 20

55-20 = 35