Write the expression in standard form.6i + (-4 - i)
A. -4 + 5i
B. 4 - 5i
C. 4 - 7i
D. -4 + 7i
Answer: A
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Provide an appropriate response.If x3 ? f(x) ? x for x in [-1,1], find 
f(x) if it exists.
A. -1 B. 0 C. does not exist D. 1
R1 = 4.7 Kê, R2 = 3.3 Kê, R3 = 5.1 Kê, E1 = 40 V, and E2 = 20 V. Find I2.
a. 11.0 æA
b. 148 æA
c. 1.527 mA
d. 3.466 mA
e. 7.066 mA
Use the check register find the ending balance.The Flower Shoppe had a balance of src="https://sciemce.com/media/4/ppg__tttt0616190858__f1q35g6.jpg" alt="" style="vertical-align: -4.0px;" /> she wrote two payroll checks: 
in its business checking account on 
The manager made a deposit on the same day for 
and wrote check 
to Illinois Power for 
Then on 
to Margaret Flores for 
and 
to Henry Baker for 
On 
she made a 
cash deposit. Record the checks and deposits in The Flower Shoppe's check register, and then find the ending balance.
A. $2002.54
B. $1079.15
C. $2013.26
D. $2753.72
Answer the question or provide an explanation.True or false? If a function f has an inverse function, then f is one-to-one.
A. True B. False