Determine if the graph of the function is concave up or concave down.f(x) = -3x2 - 3x - 9
A. Concave down
B. Concave up
Answer: A
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Provide an appropriate response.Find the direction in which the function is increasing most rapidly at the point P0.f(x, y) = xy2 - yx2, P0(-1, -1)
A. 
i - 
j
B. 
i + 
j
C. 
i + 
j
D. 
i - 
j
Write the digit for the given place value in the whole number.5,848,133hundred thousandstens
A. hundred thousands 4 tens 1 B. hundred thousands 8 tens 8 C. hundred thousands 8 tens 3 D. hundred thousands 5 tens 3
Provide an appropriate response.Find x, y, z, u, t, v such that 
+ 2
= 
What will be an ideal response?
Solve the problem.How long will it take for $8400 to grow to $14.600 at an interest rate of 9.4% if the interest is compounded continuously? Round the number of years to the nearest hundredth.
A. 0.06 yr B. 58.81 yr C. 0.59 yr D. 5.88 yr