Provide an appropriate response.The function f(x) = x2 is a probability density function on the interval [0, b]. What is b?
A. 
B. 
C. 
D. 
Answer: C
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Find an equation of a parabola satisfying the given conditions.Find the equation of the parabola with vertex at the origin and axis along the x-axis if the parabola passes through the point 
A. x2 = -6y
B. y2 = -6x
C. y2 = - 
x
D. x2 = - 
y
Solve the problem.
=
A. 74 B. 1 C. 75 D. 76 E. none of these
Solve. Write the fractions in simplest form.The following graph is called a circle graph or pie chart. Each sector (shaped like a piece of pie) shows the number of each color of marbles that Emma has: 270 are red, 252 are blue, 135 are yellow, 198 are green, and 45 are clear. What fraction of the marbles are red? Write the fraction in simplest form.
A. 
B. 
C. 
D. 
Write the binomial expansion of the expression.(-3x2 - y)5
A. 243x10 + 405x8y + 270x6y2 + 90x4y3 + 15x2y4 + y5 B. -243x10 - 405x8y - 270x6y2 - 90x4y3 - 15x2y4 - y5 C. -243x10 + 405x8y - 270x6y2 + 90x4y3 - 15x2y4 + y5 D. -243x10 - 405x8y + 270x6y2 - 90x4y3 + 15x2y4 - y5