Evaluate the radical function at the indicated value.f(x) = 
f(120)
A. 20
B. 25
C. 5
D. 125
Answer: C
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Find the flux of the vector field F across the surface S in the indicated direction.F = 9xi + 9yj + zk; S is portion of the plane x + y + z = 8 for which 0 ? x ? 3 and 
direction is outward (away from origin)
A. 576 B. 288 C. - 144 D. 252
Solve the problem.Ms. Patterson proposes to give her daughter Claire an allowance of $0.10 on the first day of her 12-day vacation, $0.20 on the second day, $0.40 on the third day, and so on. Write an equation of a sequence whose terms correspond to Claire's potential allowance. Find the allowance Claire would receive on the last day of her vacation.
A. an = 0.10(2)n-1; $204.80 B. an = 0.10 + 2n-1; $2048.10 C. an = 0.10n; $1.20 D. an = 0.10(2)n; $409.60
Solve the equation exactly in the complex number system.x3 + 4x2 - 2x - 8 = 0
A. x = -
, x = ±
B. x = -
, x = ±2
C. x = -4, x = ±
D. x = -4, x = ±2
Solve the problem.A rectangle has a perimeter of 40 ft and a length of 10 ft. Find the width of the rectangle.
A. 30 ft B. 20 ft C. 10 ft D. 8 ft