Provide an appropriate response.When finding 
÷ 
, what are the restrictions on the variables and why?
What will be an ideal response?
b ? 0, d ? 0, and c ? 0. You can never divide by zero, neither with a fraction bar nor a division symbol.
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Provide an appropriate response.The domain and range of the function f whose graph appears below is
A. Domain: all real numbers less than or equal to 4 Range: all nonnegative real numbers B. Domain: all real numbers less than or equal to 4 Range: all real numbers C. Domain: all real numbers Range: all real numbers less than or equal to 4 D. Domain: all real numbers Range: all real numbers E. Domain: all nonnegative real numbers Range: all real numbers less than or equal to 4
Solve the equation by the quadratic formula.2x2 = 26
A. ±
B. 14
C. 13
D. ±13
Perform the indicated operation. Write the result in the form a + bi.(
+ 2i)(
- 2i)
A. 8 - 4i
B. 4 + 0i
C. 8 - 2i
D. 12 + 0i
Find the LCD. Do not combine fractions.
, 
A. (x + 7)2 B. x(x + 6)(x - 1) C. x(x + 7)(x - 1) D. x(x + 7)2