Perform the indicated operations and simplify.
(3x + y)²
9x² + 6xy + y²
Mathematics
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Find the intervals on which the function is continuous.y =
A. discontinuous only when ? = 0
B. discontinuous only when ? = ?
C. continuous everywhere
D. discontinuous only when ? =
Mathematics
Find the missing measurement in the figure. a = 1.3 m b = 1.3 m c = 5.7 m
A. z = 5.7 m B. z = 3.2 m C. z = 4.1 m D. z = 3.1 m
Mathematics
Graph the function.f(x) = ln(x)
A.
B.
C.
D.
Mathematics
Find the center and radius of the circle whose graph is shown. Write the standard form of the equation of the circle.
A. r = ; (h, k) = (3, -1); (x + 3)2 + (y - 1)2 = 3
B. r = 3; (h, k) = (3, -1); (x - 3)2 + (y + 1)2 = 9
C. r = ; (h, k) = (3, -1); (x - 3)2 + (y + 1)2 = 3
D. r = 3; (h, k) = (3, -1); (x + 3)2 + (y - 1)2 = 9
Mathematics