Find the dot product v ? w.v = 2i,
w = j
A. 2
B. 0
C. 3
D. 
Answer: B
Mathematics
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The function f is one-to-one. Find its inverse.f(x) = 
A. f-1(x) = 
B. f-1(x) = (x - 1)2
C. f-1(x) = x2 + 1, x ? 0
D. f-1(x) = x2 - 1, x ? 0
Mathematics
Solve the equation for the interval [0, 2?).tan x + sec x = 1
A. x = 
B. x = 
C. No solution
D. x = 0
Mathematics
Round the decimal to the given place value.-0.0824, nearest thousandth
A. 0 B. -0.0824 C. -0.082 D. -0.08
Mathematics
Find the product.-9x7(2x6 + 10x4 + 10)
A. -18x6 - 90x7 - 90 B. -18x13 + 10x7 + 10 C. -18x13 - 90x11 - 90x7 D. -18x13 - 90x11
Mathematics