Sketch the indicated curve or surface.Curves that represent a constant temperature are called isotherms. The temperature at a point (x, y) of a flat plate is t (°C), where t = x + y2. In two dimensions, draw the isotherms for t = -4, -1, 0, 1, 4.
What will be an ideal response?
Mathematics
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Find the approximate value of the expression with a calculator. Round your answer to three decimal places.sin-1 (0.4216)
A. 2.706 B. 0.435 C. 1.136 D. 3.577
Mathematics
Solve the problem.Assume that the sales of a certain appliance dealer are approximated by a linear function. Suppose that sales were $7500 in 2007 and $56,500 in 2012. Let x = 0 represent 2007. Find the equation giving yearly sales y.
A. S(x) = 49,000x + 56,500 B. S(x) = 9800x + 7500 C. S(x) = 49,000x + 7500 D. S(x) = 9800x + 56,500
Mathematics
Simplify the expression. Assume that all variables are positive.
? 
A. 
B. Not a real number
C. 
D. 
Mathematics
Multiply.x6 ? x6
A. 2x12 B. 2x36 C. x12 D. x36
Mathematics