Solve the quadratic inequality if possible. Round your answer to the nearest tenth, if necessary.x2 - 9x > 2
A. All real numbers satisfy this inequality.
B. approximately -0.2 < x < 9.2
C. approximately x < -0.2 or x > 9.2
D. No real number satisfies this inequality.
Answer: C
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Multiply the polynomials using a special product formula. Express the answer as a single polynomial in standard form.(x - 5)2
A. x2 + 25 B. 25x2 - 10x + 25 C. x2 - 10x + 25 D. x + 25
Find the second-order partial derivative.Find 
when z = exln ?y?.
A. 
B. - 
C. 
D. - 
Provide an appropriate response.A student is told that there are two solutions to the problem 4x2 = 7x. The student can only find one, namely, x = 
. How can you advise him or her?
What will be an ideal response?
In the problem, P = (x, y) is the point on the unit circle that corresponds to the real number t. Find the exact value of the indicated trigonometric function of t.
?Find sin t.
A. - 
B. - 
C. 
D. - 