Provide an appropriate response.Describe two advantages of the substitution method over the graphing method for solving systems of equations.
What will be an ideal response?
The substitution method always yields an exact solution. It might also yield the solution more quickly than the graphing method, particularly when a variable is alone on one side of an equation in the system.
Mathematics
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Find the second derivative of the function.y = 
A. 
= 
+ 
- 
B. 
= - 
+ 
- 
C. 
= 
- 
+ 
D. 
= 
+ 
- 
Mathematics
Write out the sum. Do not evaluate.
A. 2 + 22 + 23 + ... + 2n+1 B. 22 + 23 + 24 + ... + 2n C. 22 + 23 + 24 + ... + 2n+1 D. 2 + 22 + 23 + ... + 2n
Mathematics
Perform the indicated operations and simplify the result. Leave the numerator and denominator in your answer in factored form.
A. x + 2
B. 
C. x - 2
D. 
Mathematics
Factor the trinomial.24 + 5x - x2
A. (8 - x)(3 - x) B. (8 - x)(3 + x) C. (8 + x)(3 - x) D. (x + 8)(x - 3)
Mathematics