Subtract.13x4 - 18x3
A. -9x7
B. -7x4 - 34x3
C. -7x4 - 2x3
D. 33x4 - 34x3
Answer: C
Mathematics
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Verify that the given equation is an identity.tanh2x = 1 - sech2x
What will be an ideal response?
Mathematics
Solve the equation for the indicated variable.A = 
h(B + b)
for B
A. B = 2A - bh
B. B = 
C. B = 
D. B = 
Mathematics
Find all complex zeros of the polynomial function. Give exact values. List multiple zeros as necessary.f(x) = x3 - 64
A. 4, -2 + 4
i, -2 - 4
i
B. 4, -1 + 2
i, -1 - 2
i
C. 4, -2 + 2
i, -2 - 2
i
D. 4, -2 + 
i, -2 - 
i
Mathematics
Solve the compound inequality. Express the solution using interval notation. Graph the solution set.12 < 3x ? 15
A. (4, 5]
B. [-5, -4)
C. [4, 5)
D. (-5, -4]
Mathematics