Find the length of the curve.x = 4t, y = 
t 3/2, 0 ? t ? 9
A. 
B. 
C. 
D. 
Answer: A
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The scores on a 30-point multiple-choice exam are given in the following frequency table:
The first quartile on the exam is
A. 25. B. 24.5. C. 24. D. 25.5. E. none of these
Provide an appropriate response.Is 
a rational or irrational number?
A. Rational B. Irrational C. Both rational and irrational D. Neither
Provide an appropriate response.If a parabola opens downward, the highest point on the graph is called the 
of the parabola.
A. middle point B. vertex C. axis D. top
Assume that x and y are differentiable functions of t. If src="https://sciemce.com/media/3/ppg__cognero__Chapter_11_Derivatives_Continued__media__a527c94b-31ad-4436-950d-72a8ae6d3a59.PNG" class="wirisformula" align="middle" style="vertical-align: middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_004b6f64c10b46fcbff390727" />, and 
find dx/dt when 
, 
.
?
A. 
B. 
C. ?
D. 
E. 