Solve the problem.The surface area of a balloon is given by S(r) = 4?r2, where r is the radius of the balloon. If the radius is increasing with time t, as the balloon is being blown up, according to the formula 
find the surface area S as a function of the time t.
A. S(r(t)) = 
?t3
B. S(r(t)) = 
?t9
C. S(r(t)) = 
?t6
D. S(r(t)) = 
?t6
Answer: C
Mathematics
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What will be an ideal response?
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Solve the equation for solutions in the interval [0°, 360°). Round to the nearest degree.tan 4? = 0
A. {0°, 45°, 90°, 135°, 180°, 225°, 270°, 315°} B. {0°, 90°, 180°, 270°} C. {0°, 45°, 90°, 135°, 180°, 225°, 270°} D. {33°, 57°, 147°, 237°, 327°}
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Solve the equation by the square root property.(7x + 4)2 = 4
A. 
B. 
C. 
D. 
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Find the domain and range of the relation.{(-7, 8), (6, 9), (-2, -6), (-2, -1)}
A. D: {-7, 6, -2, -12}; R: {8, 9, -6, -1} B. D: {8, 9, -6, -1}; R: {-7, 6, -2} C. D: {-7, 6, -2}; R: {8, 9, -6, -1} D. D: {-7, 6, -2, 2}; R: {8, 9, -6, -1}
Mathematics