Solve the problem.The perimeter of a triangle is 70 cm. The triangle is isosceles now, but if its base were lengthened by 6 cm and each leg were shortened by 5 cm, it would be equilateral. Find the base of the original triangle.
A. 22
B. 16
C. 15
D. 27
Answer: B
Mathematics
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Find the linearization L(x) of f(x) at x = a.f(x) = tan x, a = 0
A. L(x) = 0 B. L(x) = 5x + 1 C. L(x) = x D. L(x) = -x
Mathematics
The graph of a function is given. Choose the answer that represents the graph of its derivative.
A. 
B. 
C. 
D. 
Mathematics
Find the requested polynomial. Find a polynomial of degree 5 with -3 as a zero of multiplicity 3, 0 as a zero of multiplicity 1, and 4 as a zero of multiplicity 1.
A. f(x) = x5 + 5x3 - 9x2 - 81x - 108 B. f(x) = x5 + 7x4 - 9x3 - 81x2 + 108x C. f(x) = x5 - 7x4 - 9x3 + 81x2 - 108x D. f(x) = x5 + 5x4 - 9x3 - 81x2 - 108x
Mathematics
Find the product of the sum and difference of two terms.
A. x2 - 
B. x2 - 9x - 9
C. x2 + 9x - 9
D. x2 - 9
Mathematics