Determine the domain and the range of the function.f(x) = -x2 + 4x + 5
A. domain: {x|x ? -2}
range: {y|y ? 9}
B. domain: all real numbers
range: {y|y ? 9}
C. domain: all real numbers
range: {y|y ? -9}
D. domain: all real numbers
range: all real numbers
Answer: B
Mathematics
You might also like to view...
Solve the problem.Assuming C is a simple closed path , what is special about the integral 
? Give reasons for your answer.
What will be an ideal response?
Mathematics
Solve for x in the proportion. If possible, reduce the known fraction first.
= 
A. x = 2496
B. x = 
C. x = 53
D. x = 36
Mathematics
Write an expression in simplest form for the area of the figure.
A. 10
B. 180
C. 15
D. 30
Mathematics
Simplify.
A. 0 B. 1 C. -1 D. -16
Mathematics