Find the composition. If f(x) = x2 - 5 and h(x) = 
, find (h ? f)(-4)
A. -4
B. -1 + 2
C. 3
D. 
Answer: D
Mathematics
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Mathematics
Add or subtract. Write the answer in lowest terms.
+ 
A. 
B. 
C. 
D. 
Mathematics
Decide whether the statement is true or false. If it is false, tell why.The equation (x - 7)2 - 44 = 0 has two irrational solutions.
A. True B. False; the equation has two rational solutions. C. False; the equation has exactly one real number solution.
Mathematics
Approximate the principal square root. Round to the nearest thousandth.
A. 29.017 B. 29.014 C. 842.000 D. 29.022
Mathematics