Graph the quadratic equation by finding and plotting ordered pair solutions.y = -2x2 
A. 
B. 
C. 
D. 
Answer: D
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Decide whether or not the functions are inverses of each other.f(x) = 2x2 + 1, domain [0, ?); g(x) = 
, domain [1, ?)
A. No B. Yes
Evaluate the exponential expression.(3.2)3
A. 32.768 B. 3.2768 C. 327.68 D. 9.6
Express the unit vector as indicated.Express the unit vector u = (cos ?)i + (sin ?)j in the same direction as the vector 5i + 7j.
A. 43.01i + 60.22j
B. 
i + 
j
C. 370i + 518j
D. 
i + 
j
Write a matrix to display the information.A bakery sells three types of cakes. Cake I requires 2 cups of flour, 2 cups of sugar, and 2 eggs. Cake II requires 4 cups of flour, 1 cup of sugar, and 1 egg. Cake III requires 2 cups of flour, 2 cups of sugar, and 3 eggs. Make a 3 × 3 matrix showing the required ingredients for each cake. Assign the cakes to the rows and the ingredients to the columns.
A. 
B. 
C. 
D. 