Determine, without graphing, whether the given quadratic function has a maximum value or a minimum value and then find that value.f(x) = 3x2 + 2x - 5

A. minimum; - 
B. maximum; - 
C. minimum; - 
D. maximum; - 


Answer: A

Mathematics

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The graph of a function f is given. Use the graph to answer the question.Is f(40) positive or negative?

A. positive B. negative

Mathematics

Use your estimation skills and the percent shortcuts to select the most reasonable answer. Do not write an equation and solve it.500% of 6.5 feet is how many feet?

A. 3 feet B. 32.5 feet C. -26 feet D. 39 feet

Mathematics

Solve the problem.A nuclear cooling tower cross section is a hyperbola having a diameter of 60 ft at the center. The distance between the two foci is 90 ft. Find a Cartesian equation for the hyperbola?

A.  -  = 5
B.  -  = 1
C.  -  = 1
D.  -  = 1

Mathematics

The base of a solid is the region bounded by the graphs of y = 4 – and y = 0. The cross sections perpendicular to the y-axis are equilateral triangles. Find the volume of the solid.

What will be an ideal response?

Mathematics