Translate the sentence into an equation, then solve.If 4.61 is added to j, the sum is 12.4.
A. 4.61 + j = 12.4, j = 17.01
B. j + 4.61 = 12.4, j = -7.79
C. j + 4.61 = 12.4, j = 7.79
D. j + 12.4 = 4.61, j = -7.79
Answer: C
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Express the value of the inverse hyperbolic function in terms of natural logarithms.cosh-1 2
A. ln (2 + 
)
B. ln (2 + 
)
C. ln (2 - 
)
D. ln (4)
Find the exact value under the given conditions.sin ? = 
, 0 < ? < 
; cos ? = 
, 0 < ? < 
Find cos (? + ?).
A. 
B. 
C. 
D. 
Find the vertex, the y-intercept, and the x-intercepts (if any exist), and graph the function.f(x) = x2 + 2x - 8
A. 
Vertex (- 1, - 9);
x-int = (4,0) and (2, 0);
y-int = (0, -8)
B. 
Vertex (1, - 9);
x-int = (-2,0) and (4, 0);
y-int = (0, 8)
C. 
Vertex (1, - 9);
x-int = (-2,0) and (4, 0);
y-int = (0, -8)
D. 
Vertex (- 1, - 9);
x-int = (-4,0) and (2, 0);
y-int = (0, -8)
Simplify the expression. Write your answer without negative exponents. Whenever an exponent is negative or zero, assume that the base is not zero.
A. 4
B. 
C. 
D. 