Solve the problem.The elasticity ? of a particular thermoplastic can be modeled approximately by the relation 
, where T is the Kelvin temperature. If the thermometer used to measure T is accurate to 1%, and if the measured temperature is 473 K, how should the elasticity be reported?
A. ? = ± 0.004
B. ? = 0.176 ± 0.002
C. ? = 0.176 ± 0.004
D. ? = 0.176
Answer: C
Mathematics
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Solve the problem.If a person puts 1 cent in a piggy bank on the first day, 2 cents on the second day, 3 cents on the third day, and so forth, how much money will be in the bank after 40 days?
A. $16.40 B. $8.20 C. $0.40 D. $4.10
Mathematics
Sketch the curve of the vector function r(t) (t², t³, t), t? 0, and indicate the orientation of the curve.
What will be an ideal response?
Mathematics
Find parametric equations for the rectangular equation.y = 3x + 3
A. y = 3t, 3x = t - 3; 0 ? t < ?
B. x = t, y = 3t2 + 3; 0 ? t < ?
C. x = 
, y = t + 1; 0 ? t < ?
D. x = t, y = 3t + 3; 0 ? t < ?
Mathematics
Graph the inequality.x - y > -2
A. 
B. 
C. 
D. 
Mathematics