Solve the problem.The logistic growth model 
represents the proportion of the total market of a new product as it penetrates the market t years after introduction. When will the product have 65% of the market?
A. 3.31 years
B. 3.03 years
C. 2.03 years
D. 4.31 years
Answer: A
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Use the basic trigonometric identities and the given information to find the exact values of the remaining trigonometric functions.tan ? = 
and sec ? = - 
A. sin ? = - 
cos ? = - 
tan ? = 
csc ? = - 
sec ? = - 
cot ? = 
B. sin ? = - 
cos ? = - 
tan ? = 
csc ? = - 
sec ? = - 
cot ? = 
C. sin ? = - 
cos ? = - 
tan ? = 
csc ? = - 
sec ? = - 
cot ? = 
D. sin ? = - 
cos ? = - 
tan ? = 
csc ? = - 
sec ? = - 
cot ? = 
Solve the problem.Jack borrowed $340 from his brother. Jack's brother wants 6 monthly payments of 
to repay the loan. How much extra is Jack's brother charging for the loan?
A. $200 B. $540 C. $110 D. $640
Find the requested vector.v = -2i - 4j + kFind a vector orthogonal to both v and i + k.
A. -4i + 3j + 4k B. i - j - 3k C. -5i - 7j + 5k D. -3i + 4j + 3k
Complete the identity.
= ?
A. tan ? + cot ? B. tan ? + tan ? C. cot ? + tan ? tan ? D. tan ? + cot ?