Evaluate.Find (f - g)(-4) when f(x) = -3x2 + 1 and g(x) = x + 7.
A. 51
B. -36
C. -50
D. -58
Answer: C
Mathematics
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Graph the function.y = 3 sin (5x)
A. 
B. 
C. 
D. 
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Find the derivative of y with respect to x, t, or ?, as appropriate.y = ln (x - 5)
A. 
B. 
C. - 
D. 
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem. Write ratios in simplest form.A molecule of ethanol is composed of two atoms of carbon, six atoms of hydrogen, and one atom of oxygen. What is the ratio of oxygen atoms to total atoms in a molecule of ethanol? What is the ratio of carbon atoms to hydrogen atoms?
A. 
; 
B. 
; 
C. 9; 3
D. 1; 3
Mathematics