ANSWER
d. The set of all real numbers
EXPLANATION
The basic cosine function ,

is continuous everywhere.
The function is defined for all real values of x.
The domain is the set all values of x that will make the function defined.
The domain is all real numbers.
The correct choice is D.
Graph A is correct. The ≥ sign is correct because the gray area is above the red. x^2 has a positive coefficient which corresponds to the opening-up parabola.
Answer:
Step-by-step explanation:
Given
Molly down payment
Dealer's allowance 
For loan amount , It is equal to the difference of molly down payment and dealer allowance
loan amount 
loan amount 
So, Molly needs
loan
Answer:
C. Because they have the same slopes and different y-intercepts
Step-by-step explanation:
34 degrees
The three angles all add up to a straight line, which is 180 degrees. One angle is 56 and one is marked as a right angle, so 90.
56+90+x=180
x=34