Use the discriminant to determine the number of real solutions.t2 - 10t + 25 = 0
A. One real solution
B. Two real solutions
C. No real solutions
Answer: A
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Provide an appropriate response.Derive the identity sec-1(-x) = ? - sec-1 x by combining the following two equations:cos-1(-x) = ? - cos-1 xsec-1 x = cos-1(1/x)
What will be an ideal response?
Determine the domain of the rational function.R(x) = 
A. {x
-3, - 
, 1}
B. {x
- 
, 1}
C. {x
-1, 
, 3}
D. {x
-1, 
}
Find the length of the third side of the right triangle. Where appropriate, give both an exact answer and an approximation to three decimal places.
A. 
? 14.697
B. 
? 3.464
C. 
= 108.0
D. 
? 15.297
Each day Larry needs at least 10 units of vitamin A, 12 units of vitamin B, and 20 units of vitamin C. Pill #1 contains 4 units of A and 3 of B. Pill #2 contains 1 unit of A, 2 of B, and 4 of C. Pill #3 contains 
of A, 1 of B, and 5 of C.Pill #1 costs 4 cents, pill #2 costs 3 cents, and pill #3 costs 
Larry wants to minimize cost. What are the coefficients of the objective function?
A. 4, 1, 10 B. 10, 12, 20 C. 4, 3, 9 D. 4, 4, 3