Find the arc length parameter along the curve from the point where t = 0 by evaluating 
r(t) = (5cos t)i + (5sin t)j + 4tk
A. 
t
B. 
t
C. 
t
D. 
t
Answer: C
Mathematics
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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 h = 0.2 to approximate y(1) given that y' = 
- 
and y(0) = 2. Also find the exact value of y(1) given that y = ex/2 + 
+ 1.
A. y(1) ? 1.4700; y(1) = 1.5000 B. y(1) ? 3.2105; y(1) = 3.1487 C. y(1) ? 3.1105; y(1) = 3.1487 D. y(1) ? 2.9001; y(1) = 3.1487
Mathematics
Simplify the expression.53
A. -15 B. 125 C. 15 D. -125
Mathematics
Use the product rule to multiply. Assume all variables represent positive real numbers.
? 
A. 
B. 11x4
C. 
D. x4
Mathematics
Solve the problem.Find the sum of the first 45 positive even integers.
A. 2020 B. 2024 C. 2074 D. 2070
Mathematics