Sketch the graph of the function and find the domain and range.f(x) = -x2 - 3
A. domain: all real numbers
range: y ? 3
B. domain: all real numbers
range: y ? -3
C. domain: x ? -3
range: y ? 0
D. domain: all real numbers
range: y ? -3
Answer: D
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Solve the problem.The equation 
represents the total daily profit of 
TV sales. The variable y represents the total profit, in tens of dollars, of selling x 
TVs. How many 
TVs must be sold to achieve maximum daily profit? What is the maximum profit?
What will be an ideal response?
Provide an appropriate response.Subtract: 8 - 3.76
A. 4.24 B. 3.68 C. 3.08 D. 5.76 E. none of the above
Find the x- and y-intercepts of the graph of the given equation, if they exist. Then graph the equation.5x - 15y = 0
A. x: 0; y: 0
B. x: 0; y: 0
C. x: 0; y: 0
D. x: 0; y: 0
For the given functions f and g, find the requested function and state its domain.f(x) = 2 - 3x; g(x) = -7x + 3Find f + g.
A. (f + g)(x) = 4x + 5; {x|x ? 
}
B. (f + g)(x) = -5x; all real numbers
C. (f + g)(x) = -10x + 5; all real numbers
D. (f + g)(x) = -7x + 2; {x| x ? 
}