Write in scientific notation.5,200,000
A. 5.2 × 10-7
B. 5.2 × 106
C. 5.2 × 107
D. 5.2 × 10-6
Answer: B
Mathematics
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The graphs show the position s, velocity v = ds/dt, and acceleration a = d2s/dt2 of a body moving along a coordinate line as functions of time t. Which graph is which?
A. A = position, B = velocity, C = acceleration B. B = position, C = velocity, A = acceleration C. C = position, A = velocity, B = acceleration D. A = position, C = velocity, B = acceleration
Mathematics
Find the exact value of the expression.sec 
A. 
- 
B. 
- 
C. 
D. 
+ 
Mathematics
Use a calculator to find the value. Give answers as real numbers and round to 4 decimal places, if necessary.sec (arctan 4.839)
A. 0.5 B. 1 C. 4.9412 D. 0.2024
Mathematics
Sketch the graph of the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics