Use a graphing calculator to find the approximate location of all relative extrema.f(x) = x4 - 3x3 - 21x2 + 74x - 45
A. Relative maximum at x = 1.604; Relative minima at x = -3.089 and x = 3.735
B. Relative maximum at x = 1.685; Relative minima at x = -3.179 and x = 3.744
C. Relative maximum at x = 1.538; Relative minima at x = -3.112 and x = 3.678
D. Relative maximum at x = 1.546; Relative minima at x = -3.051 and x = 3.655
Answer: A
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Find the missing parts of the triangle. A = 65.3°a = 2.15 kmb = 2.25 kmIf necessary, round angles to the nearest tenth and side lengths to the nearest hundredth.
A. B1 = 42.8°, C1 = 71.9°, c1 = 1.61 km B2 = 6.6°, C2 = 108.1°, c2 = 0.27 km B. no such triangle C. B1 = 71.9°, C1 = 42.8°, c1 = 1.61 km B2 = 108.1°, C2 = 6.6°, c2 = 0.27 km D. B = 71.9°, C = 42.8°, c = 1.61 km
Solve the equation using the square root property.(x + 2)2 - 4 = 0
A. {0} B. {-4, 0} C. {-2, 2} D. {-4}
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
- 
= 3
A. Identity, {all real numbers}
B. Inconsistent, ?
C. Conditional, {40}
D. Conditional, 
Solve.6
- y2 = 30 y = x2 - 5
A. (- 
, 6), (
, 6)
B. (0, - 
), (0, 
), (6, - 
), (6, 
)
C. (- 
, 0), (
, 0)
D. (- 
, 0), (
, 0), (- 
, 6), (
, 6)