Write an inequality involving the variable x that describes the set of numbers graphed.
A. x > -2
B. x ? -2
C. x < -2
D. x ? -2
Answer: B
Mathematics
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For the given Cartesian equation, write an equivalent polar equation.x = 5
A. r = 5 sin ? B. r = 5 sec ? C. r = 5 cos ? D. r = 5 csc ?
Mathematics
Give the name of the solid.
A. Right rectangular prism B. Oblique rectangular cylinder C. Oblique rectangular prism D. Rectangular pyramid
Mathematics
Use the vertex and intercepts to sketch the graph of the quadratic function.f(x) = -4(x + 5)2 + 1
A. 
B. 
C. 
D. 
Mathematics
Use the vertical line test to determine whether the graph represents a function.
A. function B. not a function
Mathematics