Simplify the expression.
A. 7
B. -8
C. -7
D. 8
Answer: C
Mathematics
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Simplify the difference quotients 
and 
for the following function. Rationalize the numerator when necessary.f(x) = 5x + 3
A. 5; 5x - 5a B. 5x - 5h; 5x - 5a C. 5h; 5a D. 5; 5
Mathematics
DeMorganize the following:
Ä Ä Ä A + B + C.
Mathematics
Find all values of ? in [0°, 360°) that satisfy the equation.sin ? = - 
A. {45°, 225°} B. {225°, 315°} C. {45°, 315°} D. {135°, 225°}
Mathematics
Find the real solutions, if any, of the equation. Use the quadratic formula.16x2 - 56x + 49 = 0
A. {
, -28}
B. {- 
}
C. {
}
D. no real solution
Mathematics