For the pair of functions, find the indicated composition.f(x) = 
, g(x) = 8x - 7Find (f ? g)(x).
A. 2
B. 8
- 7
C. 2
D. 8
Answer: C
Mathematics
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Suppose 
is a linear function with 
and 
data-wiris-created="true" varid="variable_id_field" variablename="impvar_cadf18cc22f4477594ecbb38b" />. What is the slope of 
?
?
A. 0.5021568627
B. 3.47
C. 0.3921568627
D. 2.55
Mathematics
Tell whether or not the relation is a function.{(-2, -2), (3, 7), (6, -1), (7, -4), (11, -7)}
A. No B. Yes
Mathematics
Graph the function over a one-period interval.y = 
cos 2 
A. 
B. 
C. 
D. 
Mathematics
Suppose the position of an object moving in a straight line is given by the specified function. Find the instantaneous velocity at time t.s(t) = 4t2 - 3t - 1, t = 4
A. 29 B. 13 C. 28 D. 51
Mathematics