Decide if a triangle exists that satisfies the given conditions.b = 43, c = 25, ? = 30°
A. Yes
B. No
Answer: A
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Perform the indicated operation and write the answer in lowest terms. - 
- 
A. 
B. - 
C. - 
D. - 
Find all critical numbers for the function. State whether it leads to a local maximum, a local minimum, or neither.f(x) = -x3- 4.5x2 + 12x + 4
A. Local maximum at -4; local minimum at 1 B. Local maximum at -1; local minimum at 4 C. Local maximum at 1; local minimum at -4 D. Local maximum at 4; local minimum at -1
Use the square root property to solve the quadratic equation.x2 - 80 = 0
A. {20}
B. {-4
, 4
}
C. {-20, 20}
D. {4
}
Solve the problem.The sales in thousands of a new type of product are given by S(t) = 100 - 60e-0.8t, where t represents time in years. Find the rate of change of sales at the time when t = 3.
A. 4.4 thousand per year B. 525.3 thousand per year C. -525.3 thousand per year D. -4.4 thousand per year