Solve the equation by completing the square.x2 + 14x + 34 = 0
A. {-7 - 
, -7 + 
}
B. {7 + 
}
C. {-14 + 
}
D. {7 - 
, 7 + 
}
Answer: A
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Find all the first order partial derivatives for the following function.f(x, y) = ln 
A. fx(x, y) = - 
; fy(x, y) = 
B. fx(x, y) = 
; fy(x, y) = 
C. fx(x, y) = -ln 
; fy(x, y) = ln 
D. fx(x, y) = -ln
; fy(x, y) = ln 
Use a product-to-sum identity to rewrite the expression.sin 35° cos 16°
A. 0.5(cos(19°) - cos(51°) ) B. 0.5(cos(51°) + cos(19°) ) C. 0.5(sin(51°) + sin(19°) ) D. 0.5(sin(19°) + sin(51°) )
Solve.
= -8
A. x = -24 B. x = 24 C. x = -11 D. x = 11
The intensityIof light (in lumens) at a distancexmeters below the surface is given by src="https://sciemce.com/media/3/ppg__cognero__5.2_Applications_of_Exponential_Functions__media__b7039acf-3880-4a5e-a8dc-7067bdabeed3.PNG" class="wirisformula" align="middle" style="vertical-align: middle;" data-wiris-created="true" varid="variable_id_field" variablename="impvar_45dc1d5a52ac4f57af8e2e9cb" />. Find the intensity at a depth of 3 meters.
?
Please enter your answer as a number without the units, rounded to two decimal places.
Fill in the blank(s) with the appropriate word(s).
, whereI0 is the intensity at the surface andkdepends on the clarity of the water. At one location in the Arctic Ocean,
and