Solve the problem.A wire of length 7x is bent into the shape of a square. Express the area A of the square as a function of x.

A. A(x) = x2
B. A(x) = x2
C. A(x) = x2
D. A(x) = x2


Answer: B

Mathematics

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Divide.0.59 ÷ 0.001

A. 5900 B. 590 C. 0.59 D. 59

Mathematics

Find the square root if it is a real number, or state that the expression is not a real number.-

A. -0.2 B. 0.02 C. -0.02 D. not a real number

Mathematics

Graph the pair of parametric equations by hand, using values of t in [-2,2]. Make a table of t-, x-, and y-values, using t = -2, -1, 0, 1, and 2. Then plot the points and join them with a line or smooth curve for all values of t in [-2,2]. Do not use a calculator.x = t2 + 3, y = -t + 1 

What will be an ideal response?

Mathematics

An equation with a restriction on x is given. This is the equation of the terminal side of an angle ? in standard position. Sketch the smallest positive such angle ?, and use your sketch to find the values of the indicated trigonometric functions. Rationalize denominators when applicable.8x + y = 0 , x ? 0Find tan ? and sec ?.

A. tan ? = - ; sec ? = - 
B. tan ? = -8; sec ? = 
C. tan ? = -8; sec ? = - 
D. tan ? = - ; sec ? = -8

Mathematics