Solve the system.x2 + y2 = 41x + y = 9
A. {(-5, -4), (-4, -5)}
B. {(5, -4), (4, -5)}
C. {(-5, 4), (-4, 5)}
D. {(5, 4), (4, 5)}
Answer: D
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Compute the values of f(x) and use them to determine the indicated limit.If f(x) = 
, find 
f(x).
A. 
; limit = -4.0
B. 
; limit = -1.20
C. 
; limit = ?
D. 
; limit = -2.10
Use the basic trigonometric identities and the given information to find the exact values of the remaining trigonometric functions.sin ? = 
and cos ? = - 
A. sin ? = 
cos ? = - 
tan ? = - 
csc ? = - 
sec ? = 
cot ? = - 
B. sin ? = 
cos ? = - 
tan ? = - 
csc ? = - 
sec ? = 
cot ? = - 
C. sin ? = 
cos ? = - 
tan ? = - 
csc ? = 
sec ? = - 
cot ? = - 
D. sin ? = 
cos ? = - 
tan ? = - 
csc ? = 
sec ? = - 
cot ? = - 
Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.2logbm - logbn
A. logb(m2 - n)
B. logb
C. logbm2 ÷ logbn
D. logb(
)
Calculate the ratio as a unit ratio and interpret the result. Round the unit ratio to 2 decimal places, unless otherwise noted.A family needs a mortgage to purchase a new home. If the mortgage is approved, the family's new payment will be $902. If their gross monthly income is $3041, what is the payment-to-income ratio?
A. 3.37; $1 is paid on the mortgage for every $3.37 of income B. 0.70; $0.70 is paid on the mortgage for every $1 of income. C. 0.30; $0.30 for every $1 of income D. 0.42; $902 is paid on the mortgage for every $2139 of income