Just plug in -4 everywhere you see an x:
f(x) = 2x + 7
f(-4) = 2(-4) + 7
f(-4) = -8 + 7
f(-4) = -1
Answer:i would say c or a
Step-by-step explanation:
Answer:
264 transistors.
Step-by-step explanation:
By proportion the total number made if 16 are faulty is (35/2) * 16
= 280.
The number of good ones is 280 - 16
= 264 transistors.
Answer:
153.3852
Step-by-step explanation:
After the decimal, you count the places. 3 is in the ones place, 8 in the tenths, 5 in the hundreths, and 1 in the thousandths. The thousandths place is what we are rounding, so we look at the next number, 9, which tells us to round the 1 up to 2