Solve the problem.A rectangular box with volume 349 cubic feet is built with a square base and top. The cost is $1.50 per square foot for the top and the bottom and $2.00 per square foot for the sides. Let x represent the length of a side of the base. Express the cost the box as a function of x.
A. C(x) = 3x2 + 
B. C(x) = 2x2 + 
C. C(x) = 3x2 + 
D. C(x) = 4x + 
Answer: A
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Find all values of x in the interval [0°, 360°) that satisfy the equation. Round approximate answers to the nearest tenth of a degree.cos2x + cos x - 1 = 0
A. {103.2°, 145.2°, 283.2°, 325.2°} B. {51.8°, 308.2°} C. {49.8°, 130.2°, 229.8°, 310.2°} D. {70.5°, 109.5°, 180°}
The position vector of a particle is r(t). Find the requested vector.The velocity at t = 4 for r(t) = (8 - 4t2)i + (9t + 10)j - e-6tk
A. v(4) = 32i + 9j + 6e-24k B. v(4) = -32i + 9j + 6e-24k C. v(4) = -16i +9j + 6e-24k D. v(4) = -32i + 9j - 6e-24k
Write in exponential form.logw z = 5
A. z5 = w B. zw = 5 C. w5 = z D. 5w = z
Find parametric equations for the path of a particle that moves once clockwise along the circle x² +(y-7)² = 4, starting (2,7).
What will be an ideal response?