Determine the domain and the range of the function.f(x) = x2 - 2x - 8
A. domain: {x|x ? -1}
range: {y|y ? -9}
B. domain: all real numbers
range: {y|y ? -9}
C. domain: all real numbers
range: all real numbers
D. domain: all real numbers
range: {y|y ? 9}
Answer: B
Mathematics
You might also like to view...
Use the rules for exponents to rewrite the expression and then evaluate the new expression. 3-2? 34
A. 
B. 6
C. -729
D. 9
Mathematics
Factor the expression completely, if possible.49y4 + 56y3 + 16y2
A. y2(7y + 4)2 B. y2(7y - 4)2 C. y2(7y + 4)(7y - 4) D. (7y2 + 4y)2
Mathematics
Divide.2223 ÷ 39
A. 57 R 30 B. 57 C. 58 D. 58 R 29
Mathematics
Find the range of the quadratic function in interval notation.f(x) = (x + 8)2 - 7
A. (-?, -7] B. [-7, ?) C. (-?, -8] D. [-8, ?)
Mathematics