Determine whether (f ? g)(x) = x and whether (g ? f)(x) = x.f(x) = x3 + 4, g(x) = 
A. Yes, yes
B. Yes, no
C. No, no
D. No, yes
Answer: A
Mathematics
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Graph the hyperbola.
- 
= 1
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.The temperature in Verlander is modeled by 
where T(x) is the temperature in degrees Fahrenheit on day x, with 
representing January 1 and 
representing December 31. Find the temperature on July 7.
A. 3°F B. 78°F C. 105°F D. 85°F
Mathematics
Find the product.0.967 × 445
A. 430.315 B. 430.426 C. 430.415 D. 430.425
Mathematics
Add like terms, if possible, and write the result in descending powers of the variable.6z2 + 7z3
A. 7z3 + 6z2 B. 13z2 C. 13z5 D. 13z7
Mathematics