Perform the indicated operation. Write the answer in scientific notation.(9 × 105) ÷ ( 3 × 102)
A. 3 × 107
B. 3 × 103
C. 6 × 103
D. 6 × 107
Answer: B
Mathematics
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Find the curvature of the space curve.r(t) = ti + (sinh t)j + (cosh t)k
A. ? = cosh2 t
B. ? = sinh2 t
C. ? = 
D. ? = 
Mathematics
Decide whether or not the given equation is an identity.csc x tan x = cos x csc2 x
A. Yes B. No
Mathematics
Sketch the line.4y - 16x = -28
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.32° Fahrenheit = 0° Celsius. A function that converts temperatures in Celsius to those in Fahrenheit is 
Fahrenheit. Find a formula for the inverse of this function.
A. f-1(x) = 
(x + 32)
B. f-1(x) = x + 32
C. f-1(x) = 
(x - 32)
D. f-1(x) = 
x + 32
Mathematics