Find the unit vector in the direction of the given vector. Write your answer in the indicated form.Let u = 
. Find the unit vector in the direction of u, and write your answer as a linear combination of the standard unit vectors i and j.
A. 
i + 
j
B. i + j
C. 
i + 
j
D. 
i + 
j
Answer: C
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Find the x- and y-intercepts. If no x-intercepts exist, state so.f(x) = x2 - 3x + 8
A. No x-intercepts, (0, 8)
B. 
, (0, 8)
C. No x-intercepts, (0, -8)
D. 
, (0, -8)
Use Euler's method to approximate the solution. Also find the exact solution. Round your answers to four decimal places.Use Euler's method with ?x = 0.2 to approximate y(1) given that 
and y(0) = 2. Also find the exact value of y(1) given that 
A. y(1) ? 2.5263; the exact solution is y(1) = 2.5340 B. y(1) ? 2.6263; the exact solution is y(1) = 2.5340 C. y(1) ? 1.2250; the exact solution is y(1) = 1.2500 D. y(1) ? 2.4200; the exact solution is y(1) = 2.5340
Write the Hindu-Arabic numeral as an Egyptian numeral using the table below.
1534
A. 
B. 
C. 
D. 
Convert the units using unit fractions.10 pt = 
c
A. 80 B. 20 C. 5 D. 40