Use the discriminant to determine the number and nature of the solutions to the quadratic equation. Do not solve the equation.4x2 + 6x + 8 = 0
A. two real solutions
B. exactly one real solution
C. two nonreal solutions
Answer: C
Mathematics
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Graph the inverse of the function plotted, on the same set of axes. Use a dashed curve for the inverse.
A. 
B. 
C. 
D. 
Mathematics
Subtract.11a3 + 15a2
A. 6a3 + 20a2 B. 26a5 C. 16a3 + 10a2 D. 6a3 + 10a2
Mathematics
Let 
. Find the composite function.
?
?
A. 
B. 
C. 
D. 
E. 
?
Mathematics
Given that f(x) = sin x, g(x) = cos x, and h(x) = tan x, evaluate the given function. The point (x, 
), on the circle 
, also lies on the terminal side of an angle ? in quadrant II. The point 
, on the circle 
, also lies on the terminal side of an angle ? in quadrant III.f
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A. 
B. 
C. 
D. 
Mathematics