Perform the requested operation on the given function.f(x) = 8 - 7x, g(x) = -4x + 7Find (f + g)(x).
A. -11x + 15
B. 4x
C. -4x + 8
D. -3x + 15
Answer: A
Mathematics
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Multiply and express the product in lowest terms.
? 
A. 
B. 
C. 
D. 
Mathematics
Find the standard-form equation for an ellipse which satisfies the given conditions.An ellipse centered at the origin having vertex at (0, -3) and eccentricity equal to 
A. 
+ 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
+ 
= 1
Mathematics
Use a scientific calculator and common logarithms or natural logarithms to evaluate. Round to four decimal places.log42
A. -0.301 B. 0.9031 C. 0.5 D. 2
Mathematics
Change the exponential expression to an equivalent expression involving a logarithm.85/3 = 32
A. log328 = 
B. log832 = 
C. log58 = 
D. 
= 8
Mathematics