Provide the proper response.True or false? If the graph of a function f is concave up on its entire domain, then f' is increasing.
A. True
B. False
Answer: A
Mathematics
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Solve. Where appropriate, include approximations to the nearest thousandth. If no solution exists, state this.log x - log(x + 4) = 1
A. 
B. - 
C. - 
D. No solution
Mathematics
Rearrange the formulas.A = 
bh; solve for b
A. b = 
B. b = 
C. b = 
D. b = 
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.
? 
A. 
B. 
C. 255xy
D. 
Mathematics
Solve the problem.The level of a sound in decibels (db) is determined by the formula 
where I is the intensity of the sound in watts per square meter. What is the intensity of a noise measured at 53 db? Express the answer in scientific notation, rounded to two decimal places.
A. 5.30 × 10-10 watt/m2 B. 2.00 × 10-6 watt/m2 C. 2.00 × 1014 watt/m2 D. 2.00 × 10-7 watt/m2
Mathematics